23398451 has 2 divisors, whose sum is σ = 23398452. Its totient is φ = 23398450.

The previous prime is 23398421. The next prime is 23398469. The reversal of 23398451 is 15489332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23398451 - 2¹⁰ = 23397427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23398421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11699225 + 11699226.

It is an arithmetic number, because the mean of its divisors is an integer number (11699226).

Almost surely, 2^23398451 is an apocalyptic number.

23398451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23398451 is an equidigital number, since it uses as much as digits as its factorization.

23398451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 23398451 is about 4837.1945381595. The cubic root of 23398451 is about 286.0195391479.

The spelling of 23398451 in words is "twenty-three million, three hundred ninety-eight thousand, four hundred fifty-one".