231752263 has 8 divisors (see below), whose sum is σ = 237416832. Its totient is φ = 226152696.

The previous prime is 231752251. The next prime is 231752293. The reversal of 231752263 is 362257132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231752263 is a prime.

It is a super-2 number, since 2×231752263² = 107418222811242338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231752243) 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, 8995 + ... + 23332.

It is an arithmetic number, because the mean of its divisors is an integer number (29677104).

Almost surely, 2^231752263 is an apocalyptic number.

231752263 is a deficient number, since it is larger than the sum of its proper divisors (5664569).

231752263 is a wasteful number, since it uses less digits than its factorization.

231752263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32501.

The product of its digits is 15120, while the sum is 31.

The square root of 231752263 is about 15223.4116741288. The cubic root of 231752263 is about 614.2445727140.

The spelling of 231752263 in words is "two hundred thirty-one million, seven hundred fifty-two thousand, two hundred sixty-three".