2321423445 has 32 divisors (see below), whose sum is σ = 4069854720. Its totient is φ = 1120562240.

The previous prime is 2321423443. The next prime is 2321423513. The reversal of 2321423445 is 5443241232.

It is not a de Polignac number, because 2321423445 - 2¹ = 2321423443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321423443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6466 + ... + 68444.

It is an arithmetic number, because the mean of its divisors is an integer number (127182960).

Almost surely, 2^2321423445 is an apocalyptic number.

It is an amenable number.

2321423445 is a deficient number, since it is larger than the sum of its proper divisors (1748431275).

2321423445 is a wasteful number, since it uses less digits than its factorization.

2321423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62225.

The product of its digits is 23040, while the sum is 30.

The square root of 2321423445 is about 48181.1523834787. The cubic root of 2321423445 is about 1324.0918794607.

Adding to 2321423445 its reverse (5443241232), we get a palindrome (7764664677).

The spelling of 2321423445 in words is "two billion, three hundred twenty-one million, four hundred twenty-three thousand, four hundred forty-five".