23415994037 has 2 divisors, whose sum is σ = 23415994038. Its totient is φ = 23415994036.

The previous prime is 23415994027. The next prime is 23415994067. The reversal of 23415994037 is 73049951432.

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., 21618997156 + 1796996881 = 147034^2 + 42391^2 .

It is a cyclic number.

It is not a de Polignac number, because 23415994037 - 2²⁶ = 23348885173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23415993982 and 23415994000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23415994027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11707997018 + 11707997019.

It is an arithmetic number, because the mean of its divisors is an integer number (11707997019).

Almost surely, 2^23415994037 is an apocalyptic number.

It is an amenable number.

23415994037 is a deficient number, since it is larger than the sum of its proper divisors (1).

23415994037 is an equidigital number, since it uses as much as digits as its factorization.

23415994037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 23415994037 in words is "twenty-three billion, four hundred fifteen million, nine hundred ninety-four thousand, thirty-seven".