23112399 has 8 divisors (see below), whose sum is σ = 31398192. Its totient is φ = 15117440.

The previous prime is 23112373. The next prime is 23112403. The reversal of 23112399 is 99321132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23112399 - 2⁹ = 23111887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112599) 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 7 ways as a sum of consecutive naturals, for example, 72522 + ... + 72839.

It is an arithmetic number, because the mean of its divisors is an integer number (3924774).

Almost surely, 2^23112399 is an apocalyptic number.

23112399 is a deficient number, since it is larger than the sum of its proper divisors (8285793).

23112399 is a wasteful number, since it uses less digits than its factorization.

23112399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145417.

The product of its digits is 2916, while the sum is 30.

The square root of 23112399 is about 4807.5356472937. The cubic root of 23112399 is about 284.8492030819.

The spelling of 23112399 in words is "twenty-three million, one hundred twelve thousand, three hundred ninety-nine".