23890455969 has 4 divisors (see below), whose sum is σ = 31853941296. Its totient is φ = 15926970644.

The previous prime is 23890455949. The next prime is 23890456003. The reversal of 23890455969 is 96955409832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23890455969 - 2⁵ = 23890455937 is a prime.

It is a super-2 number, since 2×23890455969² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23890455949) 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, 3981742659 + ... + 3981742664.

It is an arithmetic number, because the mean of its divisors is an integer number (7963485324).

Almost surely, 2^23890455969 is an apocalyptic number.

It is an amenable number.

23890455969 is a deficient number, since it is larger than the sum of its proper divisors (7963485327).

23890455969 is an equidigital number, since it uses as much as digits as its factorization.

23890455969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963485326.

The product of its (nonzero) digits is 20995200, while the sum is 60.

The spelling of 23890455969 in words is "twenty-three billion, eight hundred ninety million, four hundred fifty-five thousand, nine hundred sixty-nine".