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123034134 = 23178913553
BaseRepresentation
bin1110101010101…
…01101000010110
322120111210002210
413111111220112
5222444043014
620113014250
73022526046
oct725255026
9276453083
10123034134
11634a4403
1235254386
131c649c82
14124a9726
15ac04859
hex7555a16

123034134 has 32 divisors (see below), whose sum is σ = 263489760. Its totient is φ = 38162432.

The previous prime is 123034123. The next prime is 123034141. The reversal of 123034134 is 431430321.

It is a self number, because there is not a number n which added to its sum of digits gives 123034134.

It is a congruent number.

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, 2302 + ... + 15854.

It is an arithmetic number, because the mean of its divisors is an integer number (8234055).

Almost surely, 2123034134 is an apocalyptic number.

123034134 is an abundant number, since it is smaller than the sum of its proper divisors (140455626).

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

123034134 is a wasteful number, since it uses less digits than its factorization.

123034134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13664.

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

The square root of 123034134 is about 11092.0752792253. The cubic root of 123034134 is about 497.3649830995.

Adding to 123034134 its reverse (431430321), we get a palindrome (554464455).

The spelling of 123034134 in words is "one hundred twenty-three million, thirty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 17 34 51 89 102 178 267 534 1513 3026 4539 9078 13553 27106 40659 81318 230401 460802 691203 1206217 1382406 2412434 3618651 7237302 20505689 41011378 61517067 123034134