235233993 has 16 divisors (see below), whose sum is σ = 324878400. Its totient is φ = 151220160.

The previous prime is 235233989. The next prime is 235234001. The reversal of 235233993 is 399332532.

It is not a de Polignac number, because 235233993 - 2² = 235233989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235233923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100723 + ... + 103031.

It is an arithmetic number, because the mean of its divisors is an integer number (20304900).

Almost surely, 2^235233993 is an apocalyptic number.

It is an amenable number.

235233993 is a deficient number, since it is larger than the sum of its proper divisors (89644407).

235233993 is a wasteful number, since it uses less digits than its factorization.

235233993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512.

The product of its digits is 131220, while the sum is 39.

The square root of 235233993 is about 15337.3398280145. The cubic root of 235233993 is about 617.3053300808.

The spelling of 235233993 in words is "two hundred thirty-five million, two hundred thirty-three thousand, nine hundred ninety-three".