235312403 has 4 divisors (see below), whose sum is σ = 235430520. Its totient is φ = 235194288.

The previous prime is 235312373. The next prime is 235312417. The reversal of 235312403 is 304213532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 235312403 - 2⁶ = 235312339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235312423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56018 + ... + 60071.

It is an arithmetic number, because the mean of its divisors is an integer number (58857630).

Almost surely, 2^235312403 is an apocalyptic number.

235312403 is a deficient number, since it is larger than the sum of its proper divisors (118117).

235312403 is a wasteful number, since it uses less digits than its factorization.

235312403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118116.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 235312403 is about 15339.8957949525. The cubic root of 235312403 is about 617.3739107782.

Adding to 235312403 its reverse (304213532), we get a palindrome (539525935).

The spelling of 235312403 in words is "two hundred thirty-five million, three hundred twelve thousand, four hundred three".