10423544520 has 32 divisors (see below), whose sum is σ = 31270633920. Its totient is φ = 2779611840.

The previous prime is 10423544507. The next prime is 10423544561. The reversal of 10423544520 is 2544532401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43431316 + ... + 43431555.

It is an arithmetic number, because the mean of its divisors is an integer number (977207310).

Almost surely, 2^10423544520 is an apocalyptic number.

10423544520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10423544520 is an abundant number, since it is smaller than the sum of its proper divisors (20847089400).

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

10423544520 is a wasteful number, since it uses less digits than its factorization.

10423544520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86862885 (or 86862881 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 10423544520 in words is "ten billion, four hundred twenty-three million, five hundred forty-four thousand, five hundred twenty".