1599040123 has 2 divisors, whose sum is σ = 1599040124. Its totient is φ = 1599040122.

The previous prime is 1599040087. The next prime is 1599040169. The reversal of 1599040123 is 3210409951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1599040123 - 2¹⁷ = 1598909051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1599040423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 799520061 + 799520062.

It is an arithmetic number, because the mean of its divisors is an integer number (799520062).

Almost surely, 2^1599040123 is an apocalyptic number.

1599040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1599040123 is an equidigital number, since it uses as much as digits as its factorization.

1599040123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1599040123 is about 39987.9997374212. Note that the first 3 decimals coincide. The cubic root of 1599040123 is about 1169.3731570494.

The spelling of 1599040123 in words is "one billion, five hundred ninety-nine million, forty thousand, one hundred twenty-three".