231023445 has 32 divisors (see below), whose sum is σ = 378145152. Its totient is φ = 120410112.

The previous prime is 231023423. The next prime is 231023453. The reversal of 231023445 is 544320132.

231023445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231023445 - 2⁹ = 231022933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119809 + ... + 121721.

It is an arithmetic number, because the mean of its divisors is an integer number (11817036).

Almost surely, 2^231023445 is an apocalyptic number.

It is an amenable number.

231023445 is a deficient number, since it is larger than the sum of its proper divisors (147121707).

231023445 is a wasteful number, since it uses less digits than its factorization.

231023445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 231023445 is about 15199.4554178760. The cubic root of 231023445 is about 613.6000013670.

Adding to 231023445 its reverse (544320132), we get a palindrome (775343577).

The spelling of 231023445 in words is "two hundred thirty-one million, twenty-three thousand, four hundred forty-five".