23523336564 has 48 divisors (see below), whose sum is σ = 67554200448. Its totient is φ = 6203956608.

The previous prime is 23523336559. The next prime is 23523336583. The reversal of 23523336564 is 46563332532.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10769667 + ... + 10771850.

It is an arithmetic number, because the mean of its divisors is an integer number (1407379176).

Almost surely, 2^23523336564 is an apocalyptic number.

It is an amenable number.

23523336564 is an abundant number, since it is smaller than the sum of its proper divisors (44030863884).

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

23523336564 is a wasteful number, since it uses less digits than its factorization.

23523336564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541544 (or 21541542 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 42.

The spelling of 23523336564 in words is "twenty-three billion, five hundred twenty-three million, three hundred thirty-six thousand, five hundred sixty-four".