23123020422042 has 48 divisors (see below), whose sum is σ = 51860058831360. Its totient is φ = 7438261514400.

The previous prime is 23123020422031. The next prime is 23123020422067. The reversal of 23123020422042 is 24022402032132.

23123020422042 is a `hidden beast` number, since 2 + 3 + 1 + 230 + 2 + 0 + 422 + 0 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23123020421997 and 23123020422015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57514309 + ... + 57914952.

It is an arithmetic number, because the mean of its divisors is an integer number (1080417892320).

Almost surely, 2^{23123020422042} is an apocalyptic number.

23123020422042 is an abundant number, since it is smaller than the sum of its proper divisors (28737038409318).

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

23123020422042 is a wasteful number, since it uses less digits than its factorization.

23123020422042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115429659 (or 115429656 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23123020422042 its reverse (24022402032132), we get a palindrome (47145422454174).

The spelling of 23123020422042 in words is "twenty-three trillion, one hundred twenty-three billion, twenty million, four hundred twenty-two thousand, forty-two".