23797287 has 16 divisors (see below), whose sum is σ = 35340000. Its totient is φ = 15826752.

The previous prime is 23797271. The next prime is 23797289. The reversal of 23797287 is 78279732.

It is not a de Polignac number, because 23797287 - 2⁴ = 23797271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23797289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14589 + ... + 16137.

It is an arithmetic number, because the mean of its divisors is an integer number (2208750).

Almost surely, 2^23797287 is an apocalyptic number.

23797287 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23797287 is a deficient number, since it is larger than the sum of its proper divisors (11542713).

23797287 is a wasteful number, since it uses less digits than its factorization.

23797287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127 (or 2121 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 23797287 is about 4878.2463037448. The cubic root of 23797287 is about 287.6354980708.

The spelling of 23797287 in words is "twenty-three million, seven hundred ninety-seven thousand, two hundred eighty-seven".