23729369 has 2 divisors, whose sum is σ = 23729370. Its totient is φ = 23729368.

The previous prime is 23729351. The next prime is 23729411. The reversal of 23729369 is 96392732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22705225 + 1024144 = 4765^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 23729369 - 2⁸ = 23729113 is a prime.

It is a super-2 number, since 2×23729369² = 1126165906276322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23729339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11864684 + 11864685.

It is an arithmetic number, because the mean of its divisors is an integer number (11864685).

Almost surely, 2^23729369 is an apocalyptic number.

It is an amenable number.

23729369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23729369 is an equidigital number, since it uses as much as digits as its factorization.

23729369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 41.

The square root of 23729369 is about 4871.2800165870. The cubic root of 23729369 is about 287.3615979084.

The spelling of 23729369 in words is "twenty-three million, seven hundred twenty-nine thousand, three hundred sixty-nine".