23263901540 has 48 divisors (see below), whose sum is σ = 55612690560. Its totient is φ = 8091790080.

The previous prime is 23263901539. The next prime is 23263901561. The reversal of 23263901540 is 4510936232.

It is a super-2 number, since 2×23263901540² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23263901540.

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, 2293745 + ... + 2303864.

It is an arithmetic number, because the mean of its divisors is an integer number (1158597720).

Almost surely, 2^23263901540 is an apocalyptic number.

23263901540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23263901540 is an abundant number, since it is smaller than the sum of its proper divisors (32348789020).

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

23263901540 is a wasteful number, since it uses less digits than its factorization.

23263901540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597652 (or 4597650 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 23263901540 in words is "twenty-three billion, two hundred sixty-three million, nine hundred one thousand, five hundred forty".