23397401 has 4 divisors (see below), whose sum is σ = 23409204. Its totient is φ = 23385600.

The previous prime is 23397373. The next prime is 23397419. The reversal of 23397401 is 10479332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8179600 + 15217801 = 2860^2 + 3901^2 .

It is a cyclic number.

It is not a de Polignac number, because 23397401 - 2²² = 19203097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23397421) 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, 2120 + ... + 7161.

It is an arithmetic number, because the mean of its divisors is an integer number (5852301).

Almost surely, 2^23397401 is an apocalyptic number.

It is an amenable number.

23397401 is a deficient number, since it is larger than the sum of its proper divisors (11803).

23397401 is an equidigital number, since it uses as much as digits as its factorization.

23397401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23397401 is about 4837.0860029567. The cubic root of 23397401 is about 286.0152607307.

The spelling of 23397401 in words is "twenty-three million, three hundred ninety-seven thousand, four hundred one".