2147996423 has 2 divisors, whose sum is σ = 2147996424. Its totient is φ = 2147996422.

The previous prime is 2147996407. The next prime is 2147996449. The reversal of 2147996423 is 3246997412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2147996423 - 2⁴ = 2147996407 is a prime.

It is a super-2 number, since 2×2147996423² = 9227777266441589858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147996453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073998211 + 1073998212.

It is an arithmetic number, because the mean of its divisors is an integer number (1073998212).

Almost surely, 2^2147996423 is an apocalyptic number.

2147996423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147996423 is an equidigital number, since it uses as much as digits as its factorization.

2147996423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 2147996423 is about 46346.4823152739. The cubic root of 2147996423 is about 1290.2618347585.

The spelling of 2147996423 in words is "two billion, one hundred forty-seven million, nine hundred ninety-six thousand, four hundred twenty-three".