23029899 has 4 divisors (see below), whose sum is σ = 30706536. Its totient is φ = 15353264.

The previous prime is 23029889. The next prime is 23029913. The reversal of 23029899 is 99892032.

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 23029899 - 2¹⁹ = 22505611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23029899.

It is not an unprimeable number, because it can be changed into a prime (23029819) 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, 3838314 + ... + 3838319.

It is an arithmetic number, because the mean of its divisors is an integer number (7676634).

Almost surely, 2^23029899 is an apocalyptic number.

23029899 is a deficient number, since it is larger than the sum of its proper divisors (7676637).

23029899 is an equidigital number, since it uses as much as digits as its factorization.

23029899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7676636.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 23029899 is about 4798.9476971519. The cubic root of 23029899 is about 284.5098747400.

The spelling of 23029899 in words is "twenty-three million, twenty-nine thousand, eight hundred ninety-nine".