2123433946 has 8 divisors (see below), whose sum is σ = 3186022644. Its totient is φ = 1061426400.

The previous prime is 2123433941. The next prime is 2123433953. The reversal of 2123433946 is 6493343212.

It can be written as a sum of positive squares in 2 ways, for example, as 1858558321 + 264875625 = 43111^2 + 16275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2123433941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136035 + ... + 150838.

Almost surely, 2^2123433946 is an apocalyptic number.

2123433946 is a deficient number, since it is larger than the sum of its proper divisors (1062588698).

2123433946 is a wasteful number, since it uses less digits than its factorization.

2123433946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290576.

The product of its digits is 93312, while the sum is 37.

The square root of 2123433946 is about 46080.7329151783. The cubic root of 2123433946 is about 1285.3248929430.

The spelling of 2123433946 in words is "two billion, one hundred twenty-three million, four hundred thirty-three thousand, nine hundred forty-six".