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123034301220 = 223515629131203
BaseRepresentation
bin111001010010101101…
…0100111001100100100
3102202120110202002021010
41302211122213030210
54003433240114340
6132304324022220
711613622206435
oct1624532471444
9382513662233
10123034301220
11481a6723586
121ba17b31970
13b7a9a1b58c
145d5231b48c
153301572b80
hex1ca56a7324

123034301220 has 48 divisors (see below), whose sum is σ = 344520711360. Its totient is φ = 32806797696.

The previous prime is 123034301207. The next prime is 123034301233. The reversal of 123034301220 is 22103430321.

It is an interprime number because it is at equal distance from previous prime (123034301207) and next prime (123034301233).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872139 + ... + 1003341.

It is an arithmetic number, because the mean of its divisors is an integer number (7177514820).

Almost surely, 2123034301220 is an apocalyptic number.

123034301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123034301220 is an abundant number, since it is smaller than the sum of its proper divisors (221486410140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123034301220 is a wasteful number, since it uses less digits than its factorization.

123034301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146844 (or 146842 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123034301220 its reverse (22103430321), we get a palindrome (145137731541).

The spelling of 123034301220 in words is "one hundred twenty-three billion, thirty-four million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 15629 31258 46887 62516 78145 93774 131203 156290 187548 234435 262406 312580 393609 468870 524812 656015 787218 937740 1312030 1574436 1968045 2624060 3936090 7872180 2050571687 4101143374 6151715061 8202286748 10252858435 12303430122 20505716870 24606860244 30758575305 41011433740 61517150610 123034301220