233688886834 has 16 divisors (see below), whose sum is σ = 378566845272. Its totient is φ = 107550862848.

The previous prime is 233688886829. The next prime is 233688886861. The reversal of 233688886834 is 438688886332.

It can be written as a sum of positive squares in 4 ways, for example, as 103328173809 + 130360713025 = 321447^2 + 361055^2 .

It is a super-2 number, since 2×233688886834² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233688886834.

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, 12721749 + ... + 12740104.

Almost surely, 2^233688886834 is an apocalyptic number.

233688886834 is a deficient number, since it is larger than the sum of its proper divisors (144877958438).

233688886834 is a wasteful number, since it uses less digits than its factorization.

233688886834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25462221.

The product of its digits is 254803968, while the sum is 67.

The spelling of 233688886834 in words is "two hundred thirty-three billion, six hundred eighty-eight million, eight hundred eighty-six thousand, eight hundred thirty-four".