234423210331 has 4 divisors (see below), whose sum is σ = 234425077200. Its totient is φ = 234421343464.

The previous prime is 234423210299. The next prime is 234423210443. The reversal of 234423210331 is 133012324432.

It is a happy number.

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 234423210331 - 2⁵ = 234423210299 is a prime.

It is a super-2 number, since 2×234423210331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234423210331.

It is not an unprimeable number, because it can be changed into a prime (234420210331) 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, 730351 + ... + 1001128.

It is an arithmetic number, because the mean of its divisors is an integer number (58606269300).

Almost surely, 2^234423210331 is an apocalyptic number.

234423210331 is a deficient number, since it is larger than the sum of its proper divisors (1866869).

234423210331 is a wasteful number, since it uses less digits than its factorization.

234423210331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866868.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 234423210331 its reverse (133012324432), we get a palindrome (367435534763).

The spelling of 234423210331 in words is "two hundred thirty-four billion, four hundred twenty-three million, two hundred ten thousand, three hundred thirty-one".