233823897 has 24 divisors (see below), whose sum is σ = 350368200. Its totient is φ = 150087168.

The previous prime is 233823893. The next prime is 233823907. The reversal of 233823897 is 798328332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 233814681 = 96^2 + 15291^2 .

It is not a de Polignac number, because 233823897 - 2² = 233823893 is a prime.

It is a super-2 number, since 2×233823897² = 109347229616533218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233823893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111979 + ... + 114047.

It is an arithmetic number, because the mean of its divisors is an integer number (14598675).

Almost surely, 2^233823897 is an apocalyptic number.

It is an amenable number.

233823897 is a deficient number, since it is larger than the sum of its proper divisors (116544303).

233823897 is a wasteful number, since it uses less digits than its factorization.

233823897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2534 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 233823897 is about 15291.3013507680. The cubic root of 233823897 is about 616.0693906552.

The spelling of 233823897 in words is "two hundred thirty-three million, eight hundred twenty-three thousand, eight hundred ninety-seven".