2423431121233 has 4 divisors (see below), whose sum is σ = 2428082621028. Its totient is φ = 2418779621440.

The previous prime is 2423431121227. The next prime is 2423431121249. The reversal of 2423431121233 is 3321211343242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1505153561409 + 918277559824 = 1226847^2 + 958268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2423431121233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2423431121195 and 2423431121204.

It is not an unprimeable number, because it can be changed into a prime (2423431121833) 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, 2325749116 + ... + 2325750157.

It is an arithmetic number, because the mean of its divisors is an integer number (607020655257).

Almost surely, 2^{2423431121233} is an apocalyptic number.

It is an amenable number.

2423431121233 is a deficient number, since it is larger than the sum of its proper divisors (4651499795).

2423431121233 is an equidigital number, since it uses as much as digits as its factorization.

2423431121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4651499794.

The product of its digits is 20736, while the sum is 31.

Adding to 2423431121233 its reverse (3321211343242), we get a palindrome (5744642464475).

The spelling of 2423431121233 in words is "two trillion, four hundred twenty-three billion, four hundred thirty-one million, one hundred twenty-one thousand, two hundred thirty-three".