2123342404 has 12 divisors (see below), whose sum is σ = 3716194300. Its totient is φ = 1061572608.

The previous prime is 2123342383. The next prime is 2123342407. The reversal of 2123342404 is 4042433212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 401922304 + 1721420100 = 20048^2 + 41490^2 .

It is not an unprimeable number, because it can be changed into a prime (2123342407) 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, 46852 + ... + 80260.

Almost surely, 2^2123342404 is an apocalyptic number.

It is an amenable number.

2123342404 is a deficient number, since it is larger than the sum of its proper divisors (1592851896).

2123342404 is a wasteful number, since it uses less digits than its factorization.

2123342404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49302 (or 49300 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2123342404 is about 46079.7396260005. The cubic root of 2123342404 is about 1285.3064224050.

Adding to 2123342404 its reverse (4042433212), we get a palindrome (6165775616).

The spelling of 2123342404 in words is "two billion, one hundred twenty-three million, three hundred forty-two thousand, four hundred four".