123130031034 has 32 divisors (see below), whose sum is σ = 261396274176. Its totient is φ = 38532684800.

The previous prime is 123130031029. The next prime is 123130031083. The reversal of 123130031034 is 430130031321.

It is a super-2 number, since 2×123130031034² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123130031034.

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, 1464282 + ... + 1546085.

It is an arithmetic number, because the mean of its divisors is an integer number (8168633568).

Almost surely, 2^123130031034 is an apocalyptic number.

123130031034 is an abundant number, since it is smaller than the sum of its proper divisors (138266243142).

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

123130031034 is a wasteful number, since it uses less digits than its factorization.

123130031034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010790.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123130031034 its reverse (430130031321), we get a palindrome (553260062355).

The spelling of 123130031034 in words is "one hundred twenty-three billion, one hundred thirty million, thirty-one thousand, thirty-four".