234400523 has 4 divisors (see below), whose sum is σ = 267886320. Its totient is φ = 200914728.

The previous prime is 234400519. The next prime is 234400541. The reversal of 234400523 is 325004432.

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

It is not a de Polignac number, because 234400523 - 2² = 234400519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234400553) 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, 16742888 + ... + 16742901.

It is an arithmetic number, because the mean of its divisors is an integer number (66971580).

Almost surely, 2^234400523 is an apocalyptic number.

234400523 is a deficient number, since it is larger than the sum of its proper divisors (33485797).

234400523 is an equidigital number, since it uses as much as digits as its factorization.

234400523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33485796.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 234400523 is about 15310.1444473917. The cubic root of 234400523 is about 616.5753982612.

Adding to 234400523 its reverse (325004432), we get a palindrome (559404955).

The spelling of 234400523 in words is "two hundred thirty-four million, four hundred thousand, five hundred twenty-three".