2123022004 has 12 divisors (see below), whose sum is σ = 3725251684. Its totient is φ = 1058664384.

The previous prime is 2123021987. The next prime is 2123022071. The reversal of 2123022004 is 4002203212.

It can be written as a sum of positive squares in 2 ways, for example, as 1718931600 + 404090404 = 41460^2 + 20102^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709977 + ... + 712960.

Almost surely, 2^2123022004 is an apocalyptic number.

It is an amenable number.

2123022004 is a deficient number, since it is larger than the sum of its proper divisors (1602229680).

2123022004 is a wasteful number, since it uses less digits than its factorization.

2123022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423314 (or 1423312 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2123022004 is about 46076.2629126972. The cubic root of 2123022004 is about 1285.2417707357.

Adding to 2123022004 its reverse (4002203212), we get a palindrome (6125225216).

It can be divided in two parts, 21230 and 22004, that added together give a palindrome (43234).

The spelling of 2123022004 in words is "two billion, one hundred twenty-three million, twenty-two thousand, four".