23418702889 has 2 divisors, whose sum is σ = 23418702890. Its totient is φ = 23418702888.

The previous prime is 23418702859. The next prime is 23418702913. The reversal of 23418702889 is 98820781432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15306638400 + 8112064489 = 123720^2 + 90067^2 .

It is a cyclic number.

It is not a de Polignac number, because 23418702889 - 2¹⁹ = 23418178601 is a prime.

It is not a weakly prime, because it can be changed into another prime (23418702809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11709351444 + 11709351445.

It is an arithmetic number, because the mean of its divisors is an integer number (11709351445).

Almost surely, 2^23418702889 is an apocalyptic number.

It is an amenable number.

23418702889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23418702889 is an equidigital number, since it uses as much as digits as its factorization.

23418702889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 23418702889 in words is "twenty-three billion, four hundred eighteen million, seven hundred two thousand, eight hundred eighty-nine".