23121426474 has 24 divisors (see below), whose sum is σ = 50802010272. Its totient is φ = 7598590440.

The previous prime is 23121426469. The next prime is 23121426529. The reversal of 23121426474 is 47462412132.

23121426474 is a `hidden beast` number, since 2 + 3 + 1 + 2 + 1 + 4 + 2 + 647 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9044664 + ... + 9047219.

It is an arithmetic number, because the mean of its divisors is an integer number (2116750428).

Almost surely, 2^23121426474 is an apocalyptic number.

23121426474 is an abundant number, since it is smaller than the sum of its proper divisors (27680583798).

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

23121426474 is a wasteful number, since it uses less digits than its factorization.

23121426474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18091962 (or 18091959 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The spelling of 23121426474 in words is "twenty-three billion, one hundred twenty-one million, four hundred twenty-six thousand, four hundred seventy-four".