123015202034340 has 192 divisors, whose sum is σ = 429938341539840. Its totient is φ = 25531632898560.

The previous prime is 123015202034281. The next prime is 123015202034429. The reversal of 123015202034340 is 43430202510321.

It is a super-3 number, since 3×123015202034340³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 123015202034298 and 123015202034307.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11666800 + ... + 19548519.

It is an arithmetic number, because the mean of its divisors is an integer number (2239262195520).

Almost surely, 2^{123015202034340} is an apocalyptic number.

123015202034340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123015202034340 is an abundant number, since it is smaller than the sum of its proper divisors (306923139505500).

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

123015202034340 is a wasteful number, since it uses less digits than its factorization.

123015202034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31216202 (or 31216200 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123015202034340 its reverse (43430202510321), we get a palindrome (166445404544661).

The spelling of 123015202034340 in words is "one hundred twenty-three trillion, fifteen billion, two hundred two million, thirty-four thousand, three hundred forty".