23133487 has 8 divisors (see below), whose sum is σ = 25336080. Its totient is φ = 20991360.

The previous prime is 23133437. The next prime is 23133497. The reversal of 23133487 is 78433132.

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

It is not a de Polignac number, because 23133487 - 2⁷ = 23133359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133427) 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, 14314 + ... + 15847.

It is an arithmetic number, because the mean of its divisors is an integer number (3167010).

Almost surely, 2^23133487 is an apocalyptic number.

23133487 is a deficient number, since it is larger than the sum of its proper divisors (2202593).

23133487 is a wasteful number, since it uses less digits than its factorization.

23133487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30233.

The product of its digits is 12096, while the sum is 31.

The square root of 23133487 is about 4809.7283707087. The cubic root of 23133487 is about 284.9358098999.

The spelling of 23133487 in words is "twenty-three million, one hundred thirty-three thousand, four hundred eighty-seven".