23677265387 has 4 divisors (see below), whose sum is σ = 23680820280. Its totient is φ = 23673710496.

The previous prime is 23677265347. The next prime is 23677265449. The reversal of 23677265387 is 78356277632.

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 23677265387 - 2⁶ = 23677265323 is a prime.

It is a super-2 number, since 2×23677265387² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23677265317) 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, 1767437 + ... + 1780782.

It is an arithmetic number, because the mean of its divisors is an integer number (5920205070).

Almost surely, 2^23677265387 is an apocalyptic number.

23677265387 is a deficient number, since it is larger than the sum of its proper divisors (3554893).

23677265387 is an equidigital number, since it uses as much as digits as its factorization.

23677265387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554892.

The product of its digits is 17781120, while the sum is 56.

The spelling of 23677265387 in words is "twenty-three billion, six hundred seventy-seven million, two hundred sixty-five thousand, three hundred eighty-seven".