23653145631 has 8 divisors (see below), whose sum is σ = 32306735664. Its totient is φ = 15384159680.

The previous prime is 23653145623. The next prime is 23653145641. The reversal of 23653145631 is 13654135632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23653145631 - 2³ = 23653145623 is a prime.

It is a super-2 number, since 2×23653145631² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23653145631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23653145641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96150876 + ... + 96151121.

It is an arithmetic number, because the mean of its divisors is an integer number (4038341958).

Almost surely, 2^23653145631 is an apocalyptic number.

23653145631 is a deficient number, since it is larger than the sum of its proper divisors (8653590033).

23653145631 is a wasteful number, since it uses less digits than its factorization.

23653145631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192302041.

The product of its digits is 194400, while the sum is 39.

Subtracting from 23653145631 its reverse (13654135632), we obtain a palindrome (9999009999).

The spelling of 23653145631 in words is "twenty-three billion, six hundred fifty-three million, one hundred forty-five thousand, six hundred thirty-one".