23253237 has 20 divisors (see below), whose sum is σ = 39699616. Its totient is φ = 13287240.

The previous prime is 23253233. The next prime is 23253259. The reversal of 23253237 is 73235232.

It is not a de Polignac number, because 23253237 - 2² = 23253233 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 self number, because there is not a number n which added to its sum of digits gives 23253237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23253233) 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 19 ways as a sum of consecutive naturals, for example, 19939 + ... + 21072.

Almost surely, 2^23253237 is an apocalyptic number.

23253237 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23253237 is a deficient number, since it is larger than the sum of its proper divisors (16446379).

23253237 is an equidigital number, since it uses as much as digits as its factorization.

23253237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41030 (or 41021 counting only the distinct ones).

The product of its digits is 7560, while the sum is 27.

The square root of 23253237 is about 4822.1610300777. The cubic root of 23253237 is about 285.4266186903.

Adding to 23253237 its reverse (73235232), we get a palindrome (96488469).

It can be divided in two parts, 2325323 and 7, that multiplied together give a palindrome (16277261).

The spelling of 23253237 in words is "twenty-three million, two hundred fifty-three thousand, two hundred thirty-seven".