23281397677 has 8 divisors (see below), whose sum is σ = 25055005752. Its totient is φ = 21552691200.

The previous prime is 23281397653. The next prime is 23281397701. The reversal of 23281397677 is 77679318232.

It is an interprime number because it is at equal distance from previous prime (23281397653) and next prime (23281397701).

It can be written as a sum of positive squares in 4 ways, for example, as 7432853796 + 15848543881 = 86214^2 + 125891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23281397677 - 2⁷ = 23281397549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23281398677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11224324 + ... + 11226397.

It is an arithmetic number, because the mean of its divisors is an integer number (3131875719).

Almost surely, 2^23281397677 is an apocalyptic number.

It is an amenable number.

23281397677 is a deficient number, since it is larger than the sum of its proper divisors (1773608075).

23281397677 is a wasteful number, since it uses less digits than its factorization.

23281397677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450799.

The product of its digits is 5334336, while the sum is 55.

The spelling of 23281397677 in words is "twenty-three billion, two hundred eighty-one million, three hundred ninety-seven thousand, six hundred seventy-seven".