23869889697 has 4 divisors (see below), whose sum is σ = 31826519600. Its totient is φ = 15913259796.

The previous prime is 23869889663. The next prime is 23869889707. The reversal of 23869889697 is 79698896832.

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 not a de Polignac number, because 23869889697 - 2⁶ = 23869889633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23869889497) 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, 3978314947 + ... + 3978314952.

It is an arithmetic number, because the mean of its divisors is an integer number (7956629900).

Almost surely, 2^23869889697 is an apocalyptic number.

It is an amenable number.

23869889697 is a deficient number, since it is larger than the sum of its proper divisors (7956629903).

23869889697 is an equidigital number, since it uses as much as digits as its factorization.

23869889697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7956629902.

The product of its digits is 564350976, while the sum is 75.

The spelling of 23869889697 in words is "twenty-three billion, eight hundred sixty-nine million, eight hundred eighty-nine thousand, six hundred ninety-seven".