23272287 has 8 divisors (see below), whose sum is σ = 31403904. Its totient is φ = 15327768.

The previous prime is 23272253. The next prime is 23272313. The reversal of 23272287 is 78227232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23272287 - 2¹⁰ = 23271263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23272217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46483 + ... + 46980.

It is an arithmetic number, because the mean of its divisors is an integer number (3925488).

Almost surely, 2^23272287 is an apocalyptic number.

23272287 is a deficient number, since it is larger than the sum of its proper divisors (8131617).

23272287 is an equidigital number, since it uses as much as digits as its factorization.

23272287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93549.

The product of its digits is 18816, while the sum is 33.

The square root of 23272287 is about 4824.1358811708. The cubic root of 23272287 is about 285.5045417901.

The spelling of 23272287 in words is "twenty-three million, two hundred seventy-two thousand, two hundred eighty-seven".