23400140163 has 8 divisors (see below), whose sum is σ = 31208024400. Its totient is φ = 15596174688.

The previous prime is 23400140149. The next prime is 23400140173. The reversal of 23400140163 is 36104100432.

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

It is not a de Polignac number, because 23400140163 - 2²⁰ = 23399091587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23400140143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965728 + ... + 989661.

It is an arithmetic number, because the mean of its divisors is an integer number (3901003050).

Almost surely, 2^23400140163 is an apocalyptic number.

23400140163 is a deficient number, since it is larger than the sum of its proper divisors (7807884237).

23400140163 is a wasteful number, since it uses less digits than its factorization.

23400140163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959381.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23400140163 its reverse (36104100432), we get a palindrome (59504240595).

The spelling of 23400140163 in words is "twenty-three billion, four hundred million, one hundred forty thousand, one hundred sixty-three".