10523315808 has 36 divisors (see below), whose sum is σ = 29925680148. Its totient is φ = 3507771840.

The previous prime is 10523315807. The next prime is 10523315827. The reversal of 10523315808 is 80851332501.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10523315808² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523315807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18269358 + ... + 18269933.

It is an arithmetic number, because the mean of its divisors is an integer number (831268893).

Almost surely, 2^10523315808 is an apocalyptic number.

10523315808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10523315808 is an abundant number, since it is smaller than the sum of its proper divisors (19402364340).

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

10523315808 is a wasteful number, since it uses less digits than its factorization.

10523315808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36539307 (or 36539296 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 10523315808 in words is "ten billion, five hundred twenty-three million, three hundred fifteen thousand, eight hundred eight".