23303961 has 12 divisors (see below), whose sum is σ = 33808788. Its totient is φ = 15467904.

The previous prime is 23303953. The next prime is 23304041. The reversal of 23303961 is 16930332.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 21678336 = 1275^2 + 4656^2 .

It is not a de Polignac number, because 23303961 - 2³ = 23303953 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303911) 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 11 ways as a sum of consecutive naturals, for example, 3460 + ... + 7653.

It is an arithmetic number, because the mean of its divisors is an integer number (2817399).

Almost surely, 2^23303961 is an apocalyptic number.

It is an amenable number.

23303961 is a deficient number, since it is larger than the sum of its proper divisors (10504827).

23303961 is a wasteful number, since it uses less digits than its factorization.

23303961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352 (or 11349 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 23303961 is about 4827.4176326479. The cubic root of 23303961 is about 285.6340086729.

The spelling of 23303961 in words is "twenty-three million, three hundred three thousand, nine hundred sixty-one".