2040599923 has 2 divisors, whose sum is σ = 2040599924. Its totient is φ = 2040599922.

The previous prime is 2040599881. The next prime is 2040599933. The reversal of 2040599923 is 3299950402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2040599923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040599923.

It is not a weakly prime, because it can be changed into another prime (2040599933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020299961 + 1020299962.

It is an arithmetic number, because the mean of its divisors is an integer number (1020299962).

Almost surely, 2^2040599923 is an apocalyptic number.

2040599923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040599923 is an equidigital number, since it uses as much as digits as its factorization.

2040599923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 2040599923 is about 45172.9999335886. Note that the first 4 decimals coincide. The cubic root of 2040599923 is about 1268.3894526547.

The spelling of 2040599923 in words is "two billion, forty million, five hundred ninety-nine thousand, nine hundred twenty-three".