231623152 has 10 divisors (see below), whose sum is σ = 448769888. Its totient is φ = 115811568.

The previous prime is 231623149. The next prime is 231623153. The reversal of 231623152 is 251326132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231623153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7238208 + ... + 7238239.

Almost surely, 2^231623152 is an apocalyptic number.

It is an amenable number.

231623152 is a deficient number, since it is larger than the sum of its proper divisors (217146736).

231623152 is a wasteful number, since it uses less digits than its factorization.

231623152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476455 (or 14476449 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 231623152 is about 15219.1705424442. The cubic root of 231623152 is about 614.1304847049.

Adding to 231623152 its reverse (251326132), we get a palindrome (482949284).

The spelling of 231623152 in words is "two hundred thirty-one million, six hundred twenty-three thousand, one hundred fifty-two".