234456423 has 4 divisors (see below), whose sum is σ = 312608568. Its totient is φ = 156304280.

The previous prime is 234456419. The next prime is 234456461. The reversal of 234456423 is 324654432.

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 234456423 - 2² = 234456419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234456473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39076068 + ... + 39076073.

It is an arithmetic number, because the mean of its divisors is an integer number (78152142).

Almost surely, 2^234456423 is an apocalyptic number.

234456423 is a deficient number, since it is larger than the sum of its proper divisors (78152145).

234456423 is an equidigital number, since it uses as much as digits as its factorization.

234456423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78152144.

The product of its digits is 69120, while the sum is 33.

The square root of 234456423 is about 15311.9699255191. The cubic root of 234456423 is about 616.6244081423.

The spelling of 234456423 in words is "two hundred thirty-four million, four hundred fifty-six thousand, four hundred twenty-three".