23249397 has 4 divisors (see below), whose sum is σ = 30999200. Its totient is φ = 15499596.

The previous prime is 23249383. The next prime is 23249399. The reversal of 23249397 is 79394232.

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 not a de Polignac number, because 23249397 - 2¹¹ = 23247349 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 (23249399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3874897 + ... + 3874902.

It is an arithmetic number, because the mean of its divisors is an integer number (7749800).

Almost surely, 2^23249397 is an apocalyptic number.

It is an amenable number.

23249397 is a deficient number, since it is larger than the sum of its proper divisors (7749803).

23249397 is an equidigital number, since it uses as much as digits as its factorization.

23249397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7749802.

The product of its digits is 81648, while the sum is 39.

The square root of 23249397 is about 4821.7628519039. The cubic root of 23249397 is about 285.4109062033.

The spelling of 23249397 in words is "twenty-three million, two hundred forty-nine thousand, three hundred ninety-seven".