23131771 has 8 divisors (see below), whose sum is σ = 25584944. Its totient is φ = 20774880.

The previous prime is 23131769. The next prime is 23131777. The reversal of 23131771 is 17713132.

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

It is a cyclic number.

It is not a de Polignac number, because 23131771 - 2¹ = 23131769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131777) 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, 23565 + ... + 24526.

It is an arithmetic number, because the mean of its divisors is an integer number (3198118).

Almost surely, 2^23131771 is an apocalyptic number.

23131771 is a deficient number, since it is larger than the sum of its proper divisors (2453173).

23131771 is a wasteful number, since it uses less digits than its factorization.

23131771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48141.

The product of its digits is 882, while the sum is 25.

The square root of 23131771 is about 4809.5499789481. The cubic root of 23131771 is about 284.9287643856.

The spelling of 23131771 in words is "twenty-three million, one hundred thirty-one thousand, seven hundred seventy-one".