23895990263 has 4 divisors (see below), whose sum is σ = 24132584328. Its totient is φ = 23659396200.

The previous prime is 23895990259. The next prime is 23895990331. The reversal of 23895990263 is 36209959832.

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 23895990263 - 2² = 23895990259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23895990199 and 23895990208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23895990233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118296881 + ... + 118297082.

It is an arithmetic number, because the mean of its divisors is an integer number (6033146082).

Almost surely, 2^23895990263 is an apocalyptic number.

23895990263 is a deficient number, since it is larger than the sum of its proper divisors (236594065).

23895990263 is a wasteful number, since it uses less digits than its factorization.

23895990263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236594064.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 23895990263 in words is "twenty-three billion, eight hundred ninety-five million, nine hundred ninety thousand, two hundred sixty-three".