23405297 has 4 divisors (see below), whose sum is σ = 23434560. Its totient is φ = 23376036.

The previous prime is 23405293. The next prime is 23405357. The reversal of 23405297 is 79250432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23405297 - 2² = 23405293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23405293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13397 + ... + 15042.

It is an arithmetic number, because the mean of its divisors is an integer number (5858640).

Almost surely, 2^23405297 is an apocalyptic number.

It is an amenable number.

23405297 is a deficient number, since it is larger than the sum of its proper divisors (29263).

23405297 is an equidigital number, since it uses as much as digits as its factorization.

23405297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29262.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 23405297 is about 4837.9021279889. The cubic root of 23405297 is about 286.0474312910.

The spelling of 23405297 in words is "twenty-three million, four hundred five thousand, two hundred ninety-seven".