23662085653 has 4 divisors (see below), whose sum is σ = 23688944748. Its totient is φ = 23635226560.

The previous prime is 23662085621. The next prime is 23662085669. The reversal of 23662085653 is 35658026632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4261217284 + 19400868369 = 65278^2 + 139287^2 .

It is a cyclic number.

It is not a de Polignac number, because 23662085653 - 2⁵ = 23662085621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23662085053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13428226 + ... + 13429987.

It is an arithmetic number, because the mean of its divisors is an integer number (5922236187).

Almost surely, 2^23662085653 is an apocalyptic number.

It is an amenable number.

23662085653 is a deficient number, since it is larger than the sum of its proper divisors (26859095).

23662085653 is an equidigital number, since it uses as much as digits as its factorization.

23662085653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26859094.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 23662085653 in words is "twenty-three billion, six hundred sixty-two million, eighty-five thousand, six hundred fifty-three".