231026523 has 48 divisors (see below), whose sum is σ = 393343776. Its totient is φ = 119508480.

The previous prime is 231026489. The next prime is 231026569. The reversal of 231026523 is 325620132.

It is not a de Polignac number, because 231026523 - 2¹⁰ = 231025499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231026493 and 231026502.

It is not an unprimeable number, because it can be changed into a prime (231026023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100143 + ... + 102423.

It is an arithmetic number, because the mean of its divisors is an integer number (8194662).

Almost surely, 2^231026523 is an apocalyptic number.

231026523 is a deficient number, since it is larger than the sum of its proper divisors (162317253).

231026523 is a wasteful number, since it uses less digits than its factorization.

231026523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 231026523 is about 15199.5566711664. The cubic root of 231026523 is about 613.6027264185.

Adding to 231026523 its reverse (325620132), we get a palindrome (556646655).

The spelling of 231026523 in words is "two hundred thirty-one million, twenty-six thousand, five hundred twenty-three".