2147993723 has 2 divisors, whose sum is σ = 2147993724. Its totient is φ = 2147993722.

The previous prime is 2147993711. The next prime is 2147993753. The reversal of 2147993723 is 3273997412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2147993723 - 2²⁶ = 2080884859 is a prime.

It is a super-2 number, since 2×2147993723² = 9227754068094801458, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2147993753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073996861 + 1073996862.

It is an arithmetic number, because the mean of its divisors is an integer number (1073996862).

Almost surely, 2^2147993723 is an apocalyptic number.

2147993723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147993723 is an equidigital number, since it uses as much as digits as its factorization.

2147993723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 2147993723 is about 46346.4531868405. The cubic root of 2147993723 is about 1290.2612941449.

The spelling of 2147993723 in words is "two billion, one hundred forty-seven million, nine hundred ninety-three thousand, seven hundred twenty-three".