2123044443 has 24 divisors (see below), whose sum is σ = 3310904688. Its totient is φ = 1303169472.

The previous prime is 2123044421. The next prime is 2123044457. The reversal of 2123044443 is 3444403212.

It is a happy number.

2123044443 is a `hidden beast` number, since 212 + 3 + 0 + 4 + 4 + 443 = 666.

It is not a de Polignac number, because 2123044443 - 2¹² = 2123040347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123044843) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23596 + ... + 69302.

It is an arithmetic number, because the mean of its divisors is an integer number (137954362).

Almost surely, 2^2123044443 is an apocalyptic number.

2123044443 is a deficient number, since it is larger than the sum of its proper divisors (1187860245).

2123044443 is a wasteful number, since it uses less digits than its factorization.

2123044443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46123 (or 46120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2123044443 is about 46076.5064105342. The cubic root of 2123044443 is about 1285.2462987840.

Adding to 2123044443 its reverse (3444403212), we get a palindrome (5567447655).

The spelling of 2123044443 in words is "two billion, one hundred twenty-three million, forty-four thousand, four hundred forty-three".