23404273 has 2 divisors, whose sum is σ = 23404274. Its totient is φ = 23404272.

The previous prime is 23404237. The next prime is 23404279. The reversal of 23404273 is 37240432.

Together with previous prime (23404237) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20866624 + 2537649 = 4568^2 + 1593^2 .

It is a cyclic number.

It is not a de Polignac number, because 23404273 - 2¹³ = 23396081 is a prime.

It is not a weakly prime, because it can be changed into another prime (23404279) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11702136 + 11702137.

It is an arithmetic number, because the mean of its divisors is an integer number (11702137).

Almost surely, 2^23404273 is an apocalyptic number.

It is an amenable number.

23404273 is a deficient number, since it is larger than the sum of its proper divisors (1).

23404273 is an equidigital number, since it uses as much as digits as its factorization.

23404273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23404273 is about 4837.7962958355. The cubic root of 23404273 is about 286.0432596307.

The spelling of 23404273 in words is "twenty-three million, four hundred four thousand, two hundred seventy-three".