23920449426 has 24 divisors (see below), whose sum is σ = 51834669120. Its totient is φ = 7972401816.

The previous prime is 23920449389. The next prime is 23920449439. The reversal of 23920449426 is 62494402932.

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, 52395 + ... + 224913.

It is an arithmetic number, because the mean of its divisors is an integer number (2159777880).

Almost surely, 2^23920449426 is an apocalyptic number.

23920449426 is an abundant number, since it is smaller than the sum of its proper divisors (27914219694).

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

23920449426 is a wasteful number, since it uses less digits than its factorization.

23920449426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180230 (or 180227 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 23920449426 in words is "twenty-three billion, nine hundred twenty million, four hundred forty-nine thousand, four hundred twenty-six".