23640650463 has 8 divisors (see below), whose sum is σ = 32372782768. Its totient is φ = 15334475904.

The previous prime is 23640650431. The next prime is 23640650479. The reversal of 23640650463 is 36405604632.

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

It is not a de Polignac number, because 23640650463 - 2⁵ = 23640650431 is a prime.

It is a super-2 number, since 2×23640650463² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23640650063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106489306 + ... + 106489527.

It is an arithmetic number, because the mean of its divisors is an integer number (4046597846).

Almost surely, 2^23640650463 is an apocalyptic number.

23640650463 is a deficient number, since it is larger than the sum of its proper divisors (8732132305).

23640650463 is a wasteful number, since it uses less digits than its factorization.

23640650463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212978873.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 23640650463 in words is "twenty-three billion, six hundred forty million, six hundred fifty thousand, four hundred sixty-three".