23443397 has 16 divisors (see below), whose sum is σ = 25785600. Its totient is φ = 21228480.

The previous prime is 23443373. The next prime is 23443411. The reversal of 23443397 is 79334432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23443397 - 2⁶ = 23443333 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 (23443307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86372 + ... + 86642.

It is an arithmetic number, because the mean of its divisors is an integer number (1611600).

Almost surely, 2^23443397 is an apocalyptic number.

It is an amenable number.

23443397 is a deficient number, since it is larger than the sum of its proper divisors (2342203).

23443397 is a wasteful number, since it uses less digits than its factorization.

23443397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476.

The product of its digits is 54432, while the sum is 35.

The square root of 23443397 is about 4841.8381839958. The cubic root of 23443397 is about 286.2025599764.

The spelling of 23443397 in words is "twenty-three million, four hundred forty-three thousand, three hundred ninety-seven".