23349354121 has 2 divisors, whose sum is σ = 23349354122. Its totient is φ = 23349354120.

The previous prime is 23349354113. The next prime is 23349354179. The reversal of 23349354121 is 12145394332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13838228496 + 9511125625 = 117636^2 + 97525^2 .

It is a cyclic number.

It is not a de Polignac number, because 23349354121 - 2³ = 23349354113 is a prime.

It is not a weakly prime, because it can be changed into another prime (23349354181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11674677060 + 11674677061.

It is an arithmetic number, because the mean of its divisors is an integer number (11674677061).

Almost surely, 2^23349354121 is an apocalyptic number.

It is an amenable number.

23349354121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23349354121 is an equidigital number, since it uses as much as digits as its factorization.

23349354121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The spelling of 23349354121 in words is "twenty-three billion, three hundred forty-nine million, three hundred fifty-four thousand, one hundred twenty-one".