23420724563476 has 48 divisors (see below), whose sum is σ = 42659119641600. Its totient is φ = 11237546783232.

The previous prime is 23420724563413. The next prime is 23420724563477. The reversal of 23420724563476 is 67436542702432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420724563477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12323485 + ... + 14096443.

It is an arithmetic number, because the mean of its divisors is an integer number (888731659200).

Almost surely, 2^{23420724563476} is an apocalyptic number.

It is an amenable number.

23420724563476 is a deficient number, since it is larger than the sum of its proper divisors (19238395078124).

23420724563476 is a wasteful number, since it uses less digits than its factorization.

23420724563476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773688 (or 1773686 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 55.

The spelling of 23420724563476 in words is "twenty-three trillion, four hundred twenty billion, seven hundred twenty-four million, five hundred sixty-three thousand, four hundred seventy-six".