2045119723 has 2 divisors, whose sum is σ = 2045119724. Its totient is φ = 2045119722.

The previous prime is 2045119711. The next prime is 2045119787. The reversal of 2045119723 is 3279115402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045119723 - 2⁵ = 2045119691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045113723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022559861 + 1022559862.

It is an arithmetic number, because the mean of its divisors is an integer number (1022559862).

Almost surely, 2^2045119723 is an apocalyptic number.

2045119723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045119723 is an equidigital number, since it uses as much as digits as its factorization.

2045119723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2045119723 is about 45222.9999336621. Note that the first 4 decimals coincide. The cubic root of 2045119723 is about 1269.3252296189.

The spelling of 2045119723 in words is "two billion, forty-five million, one hundred nineteen thousand, seven hundred twenty-three".