2123207746 has 8 divisors (see below), whose sum is σ = 3474339984. Its totient is φ = 965094420.

The previous prime is 2123207731. The next prime is 2123207747. The reversal of 2123207746 is 6477023212.

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

It is a super-2 number, since 2×2123207746² = 9016022265348801032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2123207747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48254700 + ... + 48254743.

It is an arithmetic number, because the mean of its divisors is an integer number (434292498).

Almost surely, 2^2123207746 is an apocalyptic number.

2123207746 is a deficient number, since it is larger than the sum of its proper divisors (1351132238).

2123207746 is a wasteful number, since it uses less digits than its factorization.

2123207746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96509456.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2123207746 is about 46078.2784617655. The cubic root of 2123207746 is about 1285.2792513357.

The spelling of 2123207746 in words is "two billion, one hundred twenty-three million, two hundred seven thousand, seven hundred forty-six".