23038764389 has 2 divisors, whose sum is σ = 23038764390. Its totient is φ = 23038764388.

The previous prime is 23038764383. The next prime is 23038764401. The reversal of 23038764389 is 98346783032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15390387364 + 7648377025 = 124058^2 + 87455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23038764389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23038764389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23038764383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11519382194 + 11519382195.

It is an arithmetic number, because the mean of its divisors is an integer number (11519382195).

Almost surely, 2^23038764389 is an apocalyptic number.

It is an amenable number.

23038764389 is a deficient number, since it is larger than the sum of its proper divisors (1).

23038764389 is an equidigital number, since it uses as much as digits as its factorization.

23038764389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 23038764389 in words is "twenty-three billion, thirty-eight million, seven hundred sixty-four thousand, three hundred eighty-nine".