23424493 has 2 divisors, whose sum is σ = 23424494. Its totient is φ = 23424492.

The previous prime is 23424491. The next prime is 23424497. The reversal of 23424493 is 39442432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17288964 + 6135529 = 4158^2 + 2477^2 .

It is a cyclic number.

It is not a de Polignac number, because 23424493 - 2¹ = 23424491 is a prime.

Together with 23424491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23424491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11712246 + 11712247.

It is an arithmetic number, because the mean of its divisors is an integer number (11712247).

Almost surely, 2^23424493 is an apocalyptic number.

It is an amenable number.

23424493 is a deficient number, since it is larger than the sum of its proper divisors (1).

23424493 is an equidigital number, since it uses as much as digits as its factorization.

23424493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 23424493 is about 4839.8856391448. The cubic root of 23424493 is about 286.1256111153.

The spelling of 23424493 in words is "twenty-three million, four hundred twenty-four thousand, four hundred ninety-three".