235404123 has 4 divisors (see below), whose sum is σ = 313872168. Its totient is φ = 156936080.

The previous prime is 235404119. The next prime is 235404137. The reversal of 235404123 is 321404532.

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 235404123 - 2² = 235404119 is a prime.

It is a super-2 number, since 2×235404123² = 110830202250798258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235404093 and 235404102.

It is not an unprimeable number, because it can be changed into a prime (235404163) 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, 39234018 + ... + 39234023.

It is an arithmetic number, because the mean of its divisors is an integer number (78468042).

Almost surely, 2^235404123 is an apocalyptic number.

235404123 is a deficient number, since it is larger than the sum of its proper divisors (78468045).

235404123 is an equidigital number, since it uses as much as digits as its factorization.

235404123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78468044.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 235404123 is about 15342.8850937495. The cubic root of 235404123 is about 617.4541136331.

Adding to 235404123 its reverse (321404532), we get a palindrome (556808655).

The spelling of 235404123 in words is "two hundred thirty-five million, four hundred four thousand, one hundred twenty-three".