233130156 has 24 divisors (see below), whose sum is σ = 621680640. Its totient is φ = 66608592.

The previous prime is 233130143. The next prime is 233130167. The reversal of 233130156 is 651031332.

It is a happy number.

233130156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387596 + ... + 1387763.

It is an arithmetic number, because the mean of its divisors is an integer number (25903360).

Almost surely, 2^233130156 is an apocalyptic number.

It is an amenable number.

233130156 is an abundant number, since it is smaller than the sum of its proper divisors (388550484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233130156 is a wasteful number, since it uses less digits than its factorization.

233130156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775373 (or 2775371 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 233130156 is about 15268.6003287793. The cubic root of 233130156 is about 615.4595072043.

Adding to 233130156 its reverse (651031332), we get a palindrome (884161488).

The spelling of 233130156 in words is "two hundred thirty-three million, one hundred thirty thousand, one hundred fifty-six".