233923893 has 24 divisors (see below), whose sum is σ = 384167232. Its totient is φ = 125806464.

The previous prime is 233923873. The next prime is 233923897. The reversal of 233923893 is 398329332.

It is not a de Polignac number, because 233923893 - 2⁸ = 233923637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233923897) 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, 44305 + ... + 49302.

It is an arithmetic number, because the mean of its divisors is an integer number (16006968).

Almost surely, 2^233923893 is an apocalyptic number.

It is an amenable number.

233923893 is a deficient number, since it is larger than the sum of its proper divisors (150243339).

233923893 is a wasteful number, since it uses less digits than its factorization.

233923893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93641 (or 93634 counting only the distinct ones).

The product of its digits is 209952, while the sum is 42.

The square root of 233923893 is about 15294.5707033574. The cubic root of 233923893 is about 616.1571998938.

The spelling of 233923893 in words is "two hundred thirty-three million, nine hundred twenty-three thousand, eight hundred ninety-three".