4031232123 has 4 divisors (see below), whose sum is σ = 5374976168. Its totient is φ = 2687488080.

The previous prime is 4031232097. The next prime is 4031232133. The reversal of 4031232123 is 3212321304.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4031232123 - 2⁶ = 4031232059 is a prime.

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 4031232123.

It is not an unprimeable number, because it can be changed into a prime (4031232133) 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, 671872018 + ... + 671872023.

It is an arithmetic number, because the mean of its divisors is an integer number (1343744042).

Almost surely, 2^4031232123 is an apocalyptic number.

4031232123 is a deficient number, since it is larger than the sum of its proper divisors (1343744045).

4031232123 is a wasteful number, since it uses less digits than its factorization.

4031232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343744044.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4031232123 is about 63491.9847146079. The cubic root of 4031232123 is about 1591.5218375072.

Adding to 4031232123 its reverse (3212321304), we get a palindrome (7243553427).

The spelling of 4031232123 in words is "four billion, thirty-one million, two hundred thirty-two thousand, one hundred twenty-three".