123254510323042 has 64 divisors (see below), whose sum is σ = 216992321971200. Its totient is φ = 52483646150208.

The previous prime is 123254510323037. The next prime is 123254510323073. The reversal of 123254510323042 is 240323015452321.

It is a super-2 number, since 2×123254510323042² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123254510322992 and 123254510323010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2651923108 + ... + 2651969584.

It is an arithmetic number, because the mean of its divisors is an integer number (3390505030800).

Almost surely, 2^{123254510323042} is an apocalyptic number.

123254510323042 is a deficient number, since it is larger than the sum of its proper divisors (93737811648158).

123254510323042 is a wasteful number, since it uses less digits than its factorization.

123254510323042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71280 (or 71266 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 123254510323042 its reverse (240323015452321), we get a palindrome (363577525775363).

The spelling of 123254510323042 in words is "one hundred twenty-three trillion, two hundred fifty-four billion, five hundred ten million, three hundred twenty-three thousand, forty-two".