23120016937 has 2 divisors, whose sum is σ = 23120016938. Its totient is φ = 23120016936.

The previous prime is 23120016929. The next prime is 23120016961. The reversal of 23120016937 is 73961002132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21808200976 + 1311815961 = 147676^2 + 36219^2 .

It is a cyclic number.

It is not a de Polignac number, because 23120016937 - 2³ = 23120016929 is a prime.

It is not a weakly prime, because it can be changed into another prime (23120016917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560008468 + 11560008469.

It is an arithmetic number, because the mean of its divisors is an integer number (11560008469).

Almost surely, 2^23120016937 is an apocalyptic number.

It is an amenable number.

23120016937 is a deficient number, since it is larger than the sum of its proper divisors (1).

23120016937 is an equidigital number, since it uses as much as digits as its factorization.

23120016937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 23120016937 in words is "twenty-three billion, one hundred twenty million, sixteen thousand, nine hundred thirty-seven".