233138385132 has 48 divisors (see below), whose sum is σ = 563091271680. Its totient is φ = 75017057472.

The previous prime is 233138385107. The next prime is 233138385187. The reversal of 233138385132 is 231583831332.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2010882 + ... + 2123657.

It is an arithmetic number, because the mean of its divisors is an integer number (11731068160).

Almost surely, 2^233138385132 is an apocalyptic number.

It is an amenable number.

233138385132 is an abundant number, since it is smaller than the sum of its proper divisors (329952886548).

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

233138385132 is a wasteful number, since it uses less digits than its factorization.

233138385132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134710 (or 4134708 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 233138385132 in words is "two hundred thirty-three billion, one hundred thirty-eight million, three hundred eighty-five thousand, one hundred thirty-two".