234356403 has 4 divisors (see below), whose sum is σ = 312475208. Its totient is φ = 156237600.

The previous prime is 234356399. The next prime is 234356411. The reversal of 234356403 is 304653432.

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

It is not a de Polignac number, because 234356403 - 2² = 234356399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234356443) 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, 39059398 + ... + 39059403.

It is an arithmetic number, because the mean of its divisors is an integer number (78118802).

Almost surely, 2^234356403 is an apocalyptic number.

234356403 is a deficient number, since it is larger than the sum of its proper divisors (78118805).

234356403 is an equidigital number, since it uses as much as digits as its factorization.

234356403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78118804.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 234356403 is about 15308.7035048694. The cubic root of 234356403 is about 616.5367108994.

The spelling of 234356403 in words is "two hundred thirty-four million, three hundred fifty-six thousand, four hundred three".