2123240744 has 16 divisors (see below), whose sum is σ = 3987580020. Its totient is φ = 1059886080.

The previous prime is 2123240731. The next prime is 2123240753. The reversal of 2123240744 is 4470423212.

It can be written as a sum of positive squares in 2 ways, for example, as 2056622500 + 66618244 = 45350^2 + 8162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211577 + ... + 221384.

Almost surely, 2^2123240744 is an apocalyptic number.

It is an amenable number.

2123240744 is a deficient number, since it is larger than the sum of its proper divisors (1864339276).

2123240744 is a wasteful number, since it uses less digits than its factorization.

2123240744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433580 (or 433576 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 2123240744 is about 46078.6365249668. The cubic root of 2123240744 is about 1285.2859097240.

Adding to 2123240744 its reverse (4470423212), we get a palindrome (6593663956).

The spelling of 2123240744 in words is "two billion, one hundred twenty-three million, two hundred forty thousand, seven hundred forty-four".