2431234123 has 4 divisors (see below), whose sum is σ = 2431961280. Its totient is φ = 2430506968.

The previous prime is 2431234097. The next prime is 2431234133. The reversal of 2431234123 is 3214321342.

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 2431234123 - 2¹³ = 2431225931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2431234133) 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, 358540 + ... + 365257.

It is an arithmetic number, because the mean of its divisors is an integer number (607990320).

Almost surely, 2^2431234123 is an apocalyptic number.

2431234123 is a deficient number, since it is larger than the sum of its proper divisors (727157).

2431234123 is an equidigital number, since it uses as much as digits as its factorization.

2431234123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727156.

The product of its digits is 3456, while the sum is 25.

The square root of 2431234123 is about 49307.5463088562. The cubic root of 2431234123 is about 1344.6489823482.

Adding to 2431234123 its reverse (3214321342), we get a palindrome (5645555465).

The spelling of 2431234123 in words is "two billion, four hundred thirty-one million, two hundred thirty-four thousand, one hundred twenty-three".