233231442 has 32 divisors (see below), whose sum is σ = 476150400. Its totient is φ = 76146048.

The previous prime is 233231413. The next prime is 233231443. The reversal of 233231442 is 244132332.

It is not an unprimeable number, because it can be changed into a prime (233231443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56203 + ... + 60209.

It is an arithmetic number, because the mean of its divisors is an integer number (14879700).

Almost surely, 2^233231442 is an apocalyptic number.

233231442 is an abundant number, since it is smaller than the sum of its proper divisors (242918958).

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

233231442 is a wasteful number, since it uses less digits than its factorization.

233231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210.

The product of its digits is 3456, while the sum is 24.

The square root of 233231442 is about 15271.9167755721. The cubic root of 233231442 is about 615.5486253849.

Adding to 233231442 its reverse (244132332), we get a palindrome (477363774).

The spelling of 233231442 in words is "two hundred thirty-three million, two hundred thirty-one thousand, four hundred forty-two".