23215064506464 has 96 divisors (see below), whose sum is σ = 64587549156480. Its totient is φ = 7276009613312.

The previous prime is 23215064506457. The next prime is 23215064506471. The reversal of 23215064506464 is 46460546051232.

It is an interprime number because it is at equal distance from previous prime (23215064506457) and next prime (23215064506471).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5316834 + ... + 8642849.

It is an arithmetic number, because the mean of its divisors is an integer number (672786970380).

Almost surely, 2^{23215064506464} is an apocalyptic number.

23215064506464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23215064506464 is an abundant number, since it is smaller than the sum of its proper divisors (41372484650016).

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

23215064506464 is a wasteful number, since it uses less digits than its factorization.

23215064506464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960732 (or 13960724 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 23215064506464 in words is "twenty-three trillion, two hundred fifteen billion, sixty-four million, five hundred six thousand, four hundred sixty-four".