123034243030251 has 32 divisors (see below), whose sum is σ = 189588891962880. Its totient is φ = 69514742440704.

The previous prime is 123034243030189. The next prime is 123034243030331. The reversal of 123034243030251 is 152030342430321.

It is not a de Polignac number, because 123034243030251 - 2¹⁰ = 123034243029227 is a prime.

It is a super-2 number, since 2×123034243030251² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123034247030251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312324256 + ... + 312717938.

It is an arithmetic number, because the mean of its divisors is an integer number (5924652873840).

Almost surely, 2^{123034243030251} is an apocalyptic number.

123034243030251 is a deficient number, since it is larger than the sum of its proper divisors (66554648932629).

123034243030251 is a wasteful number, since it uses less digits than its factorization.

123034243030251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560995.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 123034243030251 its reverse (152030342430321), we get a palindrome (275064585460572).

The spelling of 123034243030251 in words is "one hundred twenty-three trillion, thirty-four billion, two hundred forty-three million, thirty thousand, two hundred fifty-one".