233032312309 has 24 divisors (see below), whose sum is σ = 248470887168. Its totient is φ = 218507304960.

The previous prime is 233032312307. The next prime is 233032312321. The reversal of 233032312309 is 903213230332.

It is a happy number.

It is not a de Polignac number, because 233032312309 - 2¹ = 233032312307 is a prime.

It is a super-2 number, since 2×233032312309² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233032312307) 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, 108740092 + ... + 108742234.

It is an arithmetic number, because the mean of its divisors is an integer number (10352953632).

Almost surely, 2^233032312309 is an apocalyptic number.

It is an amenable number.

233032312309 is a deficient number, since it is larger than the sum of its proper divisors (15438574859).

233032312309 is a wasteful number, since it uses less digits than its factorization.

233032312309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 31.

The spelling of 233032312309 in words is "two hundred thirty-three billion, thirty-two million, three hundred twelve thousand, three hundred nine".