2043323977 has 2 divisors, whose sum is σ = 2043323978. Its totient is φ = 2043323976.

The previous prime is 2043323957. The next prime is 2043324007. The reversal of 2043323977 is 7793233402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1075118521 + 968205456 = 32789^2 + 31116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043323977 - 2²³ = 2034935369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043323917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021661988 + 1021661989.

It is an arithmetic number, because the mean of its divisors is an integer number (1021661989).

Almost surely, 2^2043323977 is an apocalyptic number.

It is an amenable number.

2043323977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043323977 is an equidigital number, since it uses as much as digits as its factorization.

2043323977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 40.

The square root of 2043323977 is about 45203.1412293438. The cubic root of 2043323977 is about 1268.9536045656.

The spelling of 2043323977 in words is "two billion, forty-three million, three hundred twenty-three thousand, nine hundred seventy-seven".