234402023 has 4 divisors (see below), whose sum is σ = 234433728. Its totient is φ = 234370320.

The previous prime is 234402013. The next prime is 234402037. The reversal of 234402023 is 320204432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234402023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234401986 and 234402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234402013) 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, 1763 + ... + 21723.

It is an arithmetic number, because the mean of its divisors is an integer number (58608432).

Almost surely, 2^234402023 is an apocalyptic number.

234402023 is a deficient number, since it is larger than the sum of its proper divisors (31705).

234402023 is a wasteful number, since it uses less digits than its factorization.

234402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31704.

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

The square root of 234402023 is about 15310.1934344410. The cubic root of 234402023 is about 616.5767134760.

Adding to 234402023 its reverse (320204432), we get a palindrome (554606455).

The spelling of 234402023 in words is "two hundred thirty-four million, four hundred two thousand, twenty-three".