23458664237 has 2 divisors, whose sum is σ = 23458664238. Its totient is φ = 23458664236.

The previous prime is 23458664197. The next prime is 23458664323. The reversal of 23458664237 is 73246685432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21380580841 + 2078083396 = 146221^2 + 45586^2 .

It is a cyclic number.

It is not a de Polignac number, because 23458664237 - 2⁸ = 23458663981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23458664737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11729332118 + 11729332119.

It is an arithmetic number, because the mean of its divisors is an integer number (11729332119).

Almost surely, 2^23458664237 is an apocalyptic number.

It is an amenable number.

23458664237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23458664237 is an equidigital number, since it uses as much as digits as its factorization.

23458664237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 50.

The spelling of 23458664237 in words is "twenty-three billion, four hundred fifty-eight million, six hundred sixty-four thousand, two hundred thirty-seven".