23377992389 has 2 divisors, whose sum is σ = 23377992390. Its totient is φ = 23377992388.

The previous prime is 23377992359. The next prime is 23377992427. The reversal of 23377992389 is 98329977332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22934679364 + 443313025 = 151442^2 + 21055^2 .

It is a cyclic number.

It is not a de Polignac number, because 23377992389 - 2⁸ = 23377992133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23377992349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11688996194 + 11688996195.

It is an arithmetic number, because the mean of its divisors is an integer number (11688996195).

Almost surely, 2^23377992389 is an apocalyptic number.

It is an amenable number.

23377992389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23377992389 is an equidigital number, since it uses as much as digits as its factorization.

23377992389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30862944, while the sum is 62.

The spelling of 23377992389 in words is "twenty-three billion, three hundred seventy-seven million, nine hundred ninety-two thousand, three hundred eighty-nine".