235212393 has 16 divisors (see below), whose sum is σ = 344929536. Its totient is φ = 141665280.

The previous prime is 235212379. The next prime is 235212413. The reversal of 235212393 is 393212532.

It is not a de Polignac number, because 235212393 - 2⁴ = 235212377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235212393.

It is not an unprimeable number, because it can be changed into a prime (235212893) 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, 62328 + ... + 65993.

It is an arithmetic number, because the mean of its divisors is an integer number (21558096).

Almost surely, 2^235212393 is an apocalyptic number.

It is an amenable number.

235212393 is a deficient number, since it is larger than the sum of its proper divisors (109717143).

235212393 is a wasteful number, since it uses less digits than its factorization.

235212393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128384.

The product of its digits is 9720, while the sum is 30.

The square root of 235212393 is about 15336.6356480162. The cubic root of 235212393 is about 617.2864351313.

The spelling of 235212393 in words is "two hundred thirty-five million, two hundred twelve thousand, three hundred ninety-three".