233513430 has 16 divisors (see below), whose sum is σ = 560432304. Its totient is φ = 62270240.

The previous prime is 233513393. The next prime is 233513431. The reversal of 233513430 is 34315332.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 233513430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233513431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891861 + ... + 3891920.

It is an arithmetic number, because the mean of its divisors is an integer number (35027019).

Almost surely, 2^233513430 is an apocalyptic number.

233513430 is an abundant number, since it is smaller than the sum of its proper divisors (326918874).

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

233513430 is a wasteful number, since it uses less digits than its factorization.

233513430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783791.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 233513430 is about 15281.1462266415. The cubic root of 233513430 is about 615.7966014108.

Adding to 233513430 its reverse (34315332), we get a palindrome (267828762).

The spelling of 233513430 in words is "two hundred thirty-three million, five hundred thirteen thousand, four hundred thirty".