23071131 has 12 divisors (see below), whose sum is σ = 33513480. Its totient is φ = 15293760.

The previous prime is 23071129. The next prime is 23071133. The reversal of 23071131 is 13117032.

It is an interprime number because it is at equal distance from previous prime (23071129) and next prime (23071133).

It is not a de Polignac number, because 23071131 - 2¹ = 23071129 is a prime.

It is a super-2 number, since 2×23071131² = 1064554171238322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23071133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5550 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (2792790).

Almost surely, 2^23071131 is an apocalyptic number.

23071131 is a deficient number, since it is larger than the sum of its proper divisors (10442349).

23071131 is a wasteful number, since it uses less digits than its factorization.

23071131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14506 (or 14503 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 23071131 is about 4803.2417178402. The cubic root of 23071131 is about 284.6795659926.

Adding to 23071131 its reverse (13117032), we get a palindrome (36188163).

The spelling of 23071131 in words is "twenty-three million, seventy-one thousand, one hundred thirty-one".