23997349 has 16 divisors (see below), whose sum is σ = 26024832. Its totient is φ = 22068288.

The previous prime is 23997343. The next prime is 23997359. The reversal of 23997349 is 94379932.

It is a cyclic number.

It is not a de Polignac number, because 23997349 - 2¹⁷ = 23866277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23997299 and 23997308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23997343) 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, 138627 + ... + 138799.

It is an arithmetic number, because the mean of its divisors is an integer number (1626552).

Almost surely, 2^23997349 is an apocalyptic number.

It is an amenable number.

23997349 is a deficient number, since it is larger than the sum of its proper divisors (2027483).

23997349 is a wasteful number, since it uses less digits than its factorization.

23997349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 367416, while the sum is 46.

The square root of 23997349 is about 4898.7089115399. The cubic root of 23997349 is about 288.4392931048.

The spelling of 23997349 in words is "twenty-three million, nine hundred ninety-seven thousand, three hundred forty-nine".