23200193665 has 32 divisors (see below), whose sum is σ = 30637854720. Its totient is φ = 16725009600.

The previous prime is 23200193651. The next prime is 23200193671. The reversal of 23200193665 is 56639100232.

It is not a de Polignac number, because 23200193665 - 2⁷ = 23200193537 is a prime.

It is a super-2 number, since 2×23200193665² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10510992 + ... + 10513198.

It is an arithmetic number, because the mean of its divisors is an integer number (957432960).

Almost surely, 2^23200193665 is an apocalyptic number.

It is an amenable number.

23200193665 is a deficient number, since it is larger than the sum of its proper divisors (7437661055).

23200193665 is a wasteful number, since it uses less digits than its factorization.

23200193665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 23200193665 its reverse (56639100232), we get a palindrome (79839293897).

The spelling of 23200193665 in words is "twenty-three billion, two hundred million, one hundred ninety-three thousand, six hundred sixty-five".