23697329 has 2 divisors, whose sum is σ = 23697330. Its totient is φ = 23697328.

The previous prime is 23697319. The next prime is 23697347. The reversal of 23697329 is 92379632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 6250000 = 4177^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 23697329 - 2¹² = 23693233 is a prime.

It is not a weakly prime, because it can be changed into another prime (23697319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11848664 + 11848665.

It is an arithmetic number, because the mean of its divisors is an integer number (11848665).

Almost surely, 2^23697329 is an apocalyptic number.

It is an amenable number.

23697329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23697329 is an equidigital number, since it uses as much as digits as its factorization.

23697329 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 23697329 is about 4867.9902423896. The cubic root of 23697329 is about 287.2322053319.

The spelling of 23697329 in words is "twenty-three million, six hundred ninety-seven thousand, three hundred twenty-nine".