23299929 has 9 divisors (see below), whose sum is σ = 33676383. Its totient is φ = 15523632.

The previous prime is 23299919. The next prime is 23299951. The reversal of 23299929 is 92999232.

The square root of 23299929 is 4827.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22781529 + 518400 = 4773^2 + 720^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 23299929 - 2¹⁵ = 23267161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23299919) 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 8 ways as a sum of consecutive naturals, for example, 13677 + ... + 15285.

Almost surely, 2^23299929 is an apocalyptic number.

23299929 is the 4827-th square number.

23299929 is the 2414-th centered octagonal number.

It is an amenable number.

23299929 is a deficient number, since it is larger than the sum of its proper divisors (10376454).

23299929 is an frugal number, since it uses more digits than its factorization.

23299929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224 (or 1612 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The cubic root of 23299929 is about 285.6175344671.

The spelling of 23299929 in words is "twenty-three million, two hundred ninety-nine thousand, nine hundred twenty-nine".