23650205631 has 16 divisors (see below), whose sum is σ = 33977467104. Its totient is φ = 14546173824.

The previous prime is 23650205627. The next prime is 23650205633. The reversal of 23650205631 is 13650205632.

It is not a de Polignac number, because 23650205631 - 2² = 23650205627 is a prime.

It is a super-2 number, since 2×23650205631² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23650205592 and 23650205601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23650205633) 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, 88336 + ... + 234741.

It is an arithmetic number, because the mean of its divisors is an integer number (2123591694).

Almost surely, 2^23650205631 is an apocalyptic number.

23650205631 is a deficient number, since it is larger than the sum of its proper divisors (10327261473).

23650205631 is a wasteful number, since it uses less digits than its factorization.

23650205631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324970.

The product of its (nonzero) digits is 32400, while the sum is 33.

Subtracting from 23650205631 its reverse (13650205632), we obtain a palindrome (9999999999).

The spelling of 23650205631 in words is "twenty-three billion, six hundred fifty million, two hundred five thousand, six hundred thirty-one".