23281398677 has 2 divisors, whose sum is σ = 23281398678. Its totient is φ = 23281398676.

The previous prime is 23281398659. The next prime is 23281398683. The reversal of 23281398677 is 77689318232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16490155396 + 6791243281 = 128414^2 + 82409^2 .

It is a cyclic number.

It is not a de Polignac number, because 23281398677 - 2¹⁰ = 23281397653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23281398607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11640699338 + 11640699339.

It is an arithmetic number, because the mean of its divisors is an integer number (11640699339).

Almost surely, 2^23281398677 is an apocalyptic number.

It is an amenable number.

23281398677 is a deficient number, since it is larger than the sum of its proper divisors (1).

23281398677 is an equidigital number, since it uses as much as digits as its factorization.

23281398677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 56.

The spelling of 23281398677 in words is "twenty-three billion, two hundred eighty-one million, three hundred ninety-eight thousand, six hundred seventy-seven".