234220310123 has 4 divisors (see below), whose sum is σ = 234289060320. Its totient is φ = 234151559928.

The previous prime is 234220310119. The next prime is 234220310141. The reversal of 234220310123 is 321013022432.

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 234220310123 - 2² = 234220310119 is a prime.

It is a super-2 number, since 2×234220310123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234220310153) 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, 34369988 + ... + 34376801.

It is an arithmetic number, because the mean of its divisors is an integer number (58572265080).

Almost surely, 2^234220310123 is an apocalyptic number.

234220310123 is a deficient number, since it is larger than the sum of its proper divisors (68750197).

234220310123 is an equidigital number, since it uses as much as digits as its factorization.

234220310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68750196.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 234220310123 its reverse (321013022432), we get a palindrome (555233332555).

The spelling of 234220310123 in words is "two hundred thirty-four billion, two hundred twenty million, three hundred ten thousand, one hundred twenty-three".