23031799 has 4 divisors (see below), whose sum is σ = 26322064. Its totient is φ = 19741536.

The previous prime is 23031793. The next prime is 23031803. The reversal of 23031799 is 99713032.

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

It is a cyclic number.

It is not a de Polignac number, because 23031799 - 2¹¹ = 23029751 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 (23031793) 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, 1645122 + ... + 1645135.

It is an arithmetic number, because the mean of its divisors is an integer number (6580516).

Almost surely, 2^23031799 is an apocalyptic number.

23031799 is a deficient number, since it is larger than the sum of its proper divisors (3290265).

23031799 is an equidigital number, since it uses as much as digits as its factorization.

23031799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290264.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 23031799 is about 4799.1456531345. The cubic root of 23031799 is about 284.5176986837.

The spelling of 23031799 in words is "twenty-three million, thirty-one thousand, seven hundred ninety-nine".