23237454209 has 2 divisors, whose sum is σ = 23237454210. Its totient is φ = 23237454208.

The previous prime is 23237454203. The next prime is 23237454293. The reversal of 23237454209 is 90245473232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13307929600 + 9929524609 = 115360^2 + 99647^2 .

It is a cyclic number.

It is not a de Polignac number, because 23237454209 - 2²⁸ = 22969018753 is a prime.

It is not a weakly prime, because it can be changed into another prime (23237454203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11618727104 + 11618727105.

It is an arithmetic number, because the mean of its divisors is an integer number (11618727105).

Almost surely, 2^23237454209 is an apocalyptic number.

It is an amenable number.

23237454209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23237454209 is an equidigital number, since it uses as much as digits as its factorization.

23237454209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 23237454209 in words is "twenty-three billion, two hundred thirty-seven million, four hundred fifty-four thousand, two hundred nine".