23427653405 has 32 divisors (see below), whose sum is σ = 31444546560. Its totient is φ = 16639395840.

The previous prime is 23427653401. The next prime is 23427653413. The reversal of 23427653405 is 50435672432.

It is a happy number.

It is not a de Polignac number, because 23427653405 - 2² = 23427653401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23427653401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292781 + ... + 364109.

It is an arithmetic number, because the mean of its divisors is an integer number (982642080).

Almost surely, 2^23427653405 is an apocalyptic number.

It is an amenable number.

23427653405 is a deficient number, since it is larger than the sum of its proper divisors (8016893155).

23427653405 is a wasteful number, since it uses less digits than its factorization.

23427653405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71541.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 23427653405 in words is "twenty-three billion, four hundred twenty-seven million, six hundred fifty-three thousand, four hundred five".