23961341677 has 32 divisors (see below), whose sum is σ = 30403520000. Its totient is φ = 18762637824.

The previous prime is 23961341641. The next prime is 23961341681. The reversal of 23961341677 is 77614316932.

It is a happy number.

It is not a de Polignac number, because 23961341677 - 2¹¹ = 23961339629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 23961341677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23961341627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404824 + ... + 460222.

It is an arithmetic number, because the mean of its divisors is an integer number (950110000).

Almost surely, 2^23961341677 is an apocalyptic number.

It is an amenable number.

23961341677 is a deficient number, since it is larger than the sum of its proper divisors (6442178323).

23961341677 is an equidigital number, since it uses as much as digits as its factorization.

23961341677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55530 (or 55516 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 49.

The spelling of 23961341677 in words is "twenty-three billion, nine hundred sixty-one million, three hundred forty-one thousand, six hundred seventy-seven".