23805165408 has 48 divisors (see below), whose sum is σ = 62513773056. Its totient is φ = 7931853440.

The previous prime is 23805165383. The next prime is 23805165409. The reversal of 23805165408 is 80456150832.

It is a tau number, because it is divible by the number of its divisors (48).

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 self number, because there is not a number n which added to its sum of digits gives 23805165408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23805165409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195373 + ... + 292883.

It is an arithmetic number, because the mean of its divisors is an integer number (1302370272).

Almost surely, 2^23805165408 is an apocalyptic number.

It is an amenable number.

23805165408 is an abundant number, since it is smaller than the sum of its proper divisors (38708607648).

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

23805165408 is a wasteful number, since it uses less digits than its factorization.

23805165408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100067 (or 100059 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 23805165408 in words is "twenty-three billion, eight hundred five million, one hundred sixty-five thousand, four hundred eight".