234400403 has 16 divisors (see below), whose sum is σ = 256937184. Its totient is φ = 212951040.

The previous prime is 234400399. The next prime is 234400459. The reversal of 234400403 is 304004432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 234400403 - 2² = 234400399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234400483) 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, 65876 + ... + 69342.

It is an arithmetic number, because the mean of its divisors is an integer number (16058574).

Almost surely, 2^234400403 is an apocalyptic number.

234400403 is a deficient number, since it is larger than the sum of its proper divisors (22536781).

234400403 is a wasteful number, since it uses less digits than its factorization.

234400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 234400403 is about 15310.1405284210. The cubic root of 234400403 is about 616.5752930438.

Adding to 234400403 its reverse (304004432), we get a palindrome (538404835).

The spelling of 234400403 in words is "two hundred thirty-four million, four hundred thousand, four hundred three".