23505533464 has 32 divisors (see below), whose sum is σ = 50831114400. Its totient is φ = 9981377280.

The previous prime is 23505533453. The next prime is 23505533477. The reversal of 23505533464 is 46433550532.

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 7 ways as a sum of consecutive naturals, for example, 1919317 + ... + 1931524.

It is an arithmetic number, because the mean of its divisors is an integer number (1588472325).

Almost surely, 2^23505533464 is an apocalyptic number.

It is an amenable number.

23505533464 is an abundant number, since it is smaller than the sum of its proper divisors (27325580936).

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

23505533464 is a wasteful number, since it uses less digits than its factorization.

23505533464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850963 (or 3850959 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 40.

The spelling of 23505533464 in words is "twenty-three billion, five hundred five million, five hundred thirty-three thousand, four hundred sixty-four".