23305051 has 8 divisors (see below), whose sum is σ = 29055744. Its totient is φ = 18159720.

The previous prime is 23305033. The next prime is 23305057. The reversal of 23305051 is 15050332.

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 23305051 - 2⁹ = 23304539 is a prime.

It is a super-2 number, since 2×23305051² = 1086250804225202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23305057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151255 + ... + 151408.

It is an arithmetic number, because the mean of its divisors is an integer number (3631968).

Almost surely, 2^23305051 is an apocalyptic number.

23305051 is a deficient number, since it is larger than the sum of its proper divisors (5750693).

23305051 is a wasteful number, since it uses less digits than its factorization.

23305051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302681.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 23305051 is about 4827.5305281272. The cubic root of 23305051 is about 285.6384619389.

Adding to 23305051 its reverse (15050332), we get a palindrome (38355383).

It can be divided in two parts, 2330 and 5051, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 23305051 in words is "twenty-three million, three hundred five thousand, fifty-one".