23956742503 has 4 divisors (see below), whose sum is σ = 23962506880. Its totient is φ = 23950978128.

The previous prime is 23956742483. The next prime is 23956742527. The reversal of 23956742503 is 30524765932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23956742503 - 2⁵ = 23956742471 is a prime.

It is a super-2 number, since 2×23956742503² (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 (23956742003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875950 + ... + 2884267.

It is an arithmetic number, because the mean of its divisors is an integer number (5990626720).

Almost surely, 2^23956742503 is an apocalyptic number.

23956742503 is a deficient number, since it is larger than the sum of its proper divisors (5764377).

23956742503 is an equidigital number, since it uses as much as digits as its factorization.

23956742503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764376.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 23956742503 in words is "twenty-three billion, nine hundred fifty-six million, seven hundred forty-two thousand, five hundred three".