23454399 has 4 divisors (see below), whose sum is σ = 31272536. Its totient is φ = 15636264.

The previous prime is 23454391. The next prime is 23454401. The reversal of 23454399 is 99345432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23454399 - 2³ = 23454391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454391) 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, 3909064 + ... + 3909069.

It is an arithmetic number, because the mean of its divisors is an integer number (7818134).

Almost surely, 2^23454399 is an apocalyptic number.

23454399 is a deficient number, since it is larger than the sum of its proper divisors (7818137).

23454399 is an equidigital number, since it uses as much as digits as its factorization.

23454399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818136.

The product of its digits is 116640, while the sum is 39.

The square root of 23454399 is about 4842.9741894832. The cubic root of 23454399 is about 286.2473246510.

The spelling of 23454399 in words is "twenty-three million, four hundred fifty-four thousand, three hundred ninety-nine".