2123442322 has 4 divisors (see below), whose sum is σ = 3185163486. Its totient is φ = 1061721160.

The previous prime is 2123442313. The next prime is 2123442331. The reversal of 2123442322 is 2232443212.

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

It is an interprime number because it is at equal distance from previous prime (2123442313) and next prime (2123442331).

It can be written as a sum of positive squares in only one way, i.e., 1958859081 + 164583241 = 44259^2 + 12829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530860579 + ... + 530860582.

Almost surely, 2^2123442322 is an apocalyptic number.

2123442322 is a deficient number, since it is larger than the sum of its proper divisors (1061721164).

2123442322 is a wasteful number, since it uses less digits than its factorization.

2123442322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061721163.

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

The square root of 2123442322 is about 46080.8237990598. The cubic root of 2123442322 is about 1285.3265829520.

Adding to 2123442322 its reverse (2232443212), we get a palindrome (4355885534).

The spelling of 2123442322 in words is "two billion, one hundred twenty-three million, four hundred forty-two thousand, three hundred twenty-two".