23231853 has 10 divisors (see below), whose sum is σ = 34704494. Its totient is φ = 15487848.

The previous prime is 23231833. The next prime is 23231869. The reversal of 23231853 is 35813232.

It can be written as a sum of positive squares in only one way, i.e., 20088324 + 3143529 = 4482^2 + 1773^2 .

It is not a de Polignac number, because 23231853 - 2¹⁰ = 23230829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231833) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 143326 + ... + 143487.

Almost surely, 2^23231853 is an apocalyptic number.

It is an amenable number.

23231853 is a deficient number, since it is larger than the sum of its proper divisors (11472641).

23231853 is an equidigital number, since it uses as much as digits as its factorization.

23231853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286825 (or 286816 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 23231853 is about 4819.9432569274. The cubic root of 23231853 is about 285.3390977608.

The spelling of 23231853 in words is "twenty-three million, two hundred thirty-one thousand, eight hundred fifty-three".