235220403 has 16 divisors (see below), whose sum is σ = 350485632. Its totient is φ = 139080000.

The previous prime is 235220389. The next prime is 235220411. The reversal of 235220403 is 304022532.

235220403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 235220403 - 2⁵ = 235220371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235220403.

It is not an unprimeable number, because it can be changed into a prime (235220443) 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, 85573 + ... + 88278.

It is an arithmetic number, because the mean of its divisors is an integer number (21905352).

Almost surely, 2^235220403 is an apocalyptic number.

235220403 is a deficient number, since it is larger than the sum of its proper divisors (115265229).

235220403 is a wasteful number, since it uses less digits than its factorization.

235220403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173906.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 235220403 is about 15336.8967852040. The cubic root of 235220403 is about 617.2934421433.

Adding to 235220403 its reverse (304022532), we get a palindrome (539242935).

The spelling of 235220403 in words is "two hundred thirty-five million, two hundred twenty thousand, four hundred three".