23907218803 has 16 divisors (see below), whose sum is σ = 25972702336. Its totient is φ = 21874769280.

The previous prime is 23907218771. The next prime is 23907218809. The reversal of 23907218803 is 30881270932.

It is not a de Polignac number, because 23907218803 - 2⁵ = 23907218771 is a prime.

It is a super-2 number, since 2×23907218803² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23907218803.

It is not an unprimeable number, because it can be changed into a prime (23907218809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845350 + ... + 873172.

It is an arithmetic number, because the mean of its divisors is an integer number (1623293896).

Almost surely, 2^23907218803 is an apocalyptic number.

23907218803 is a deficient number, since it is larger than the sum of its proper divisors (2065483533).

23907218803 is a wasteful number, since it uses less digits than its factorization.

23907218803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28414.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 23907218803 in words is "twenty-three billion, nine hundred seven million, two hundred eighteen thousand, eight hundred three".