23303772 has 18 divisors (see below), whose sum is σ = 58906848. Its totient is φ = 7767912.

The previous prime is 23303771. The next prime is 23303773. The reversal of 23303772 is 27730332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23303771) and next prime (23303773).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303771) 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 5 ways as a sum of consecutive naturals, for example, 323628 + ... + 323699.

Almost surely, 2^23303772 is an apocalyptic number.

It is an amenable number.

23303772 is an abundant number, since it is smaller than the sum of its proper divisors (35603076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23303772 is a wasteful number, since it uses less digits than its factorization.

23303772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647337 (or 647332 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 23303772 is about 4827.3980569247. The cubic root of 23303772 is about 285.6332364869.

The spelling of 23303772 in words is "twenty-three million, three hundred three thousand, seven hundred seventy-two".