2045079806123 has 2 divisors, whose sum is σ = 2045079806124. Its totient is φ = 2045079806122.

The previous prime is 2045079806069. The next prime is 2045079806131. The reversal of 2045079806123 is 3216089705402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2045079806123 - 2¹⁸ = 2045079543979 is a prime.

It is a super-2 number, since 2×2045079806123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2045079806173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022539903061 + 1022539903062.

It is an arithmetic number, because the mean of its divisors is an integer number (1022539903062).

It is a 1-persistent number, because it is pandigital, but 2⋅2045079806123 = 4090159612246 is not.

Almost surely, 2^{2045079806123} is an apocalyptic number.

2045079806123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045079806123 is an equidigital number, since it uses as much as digits as its factorization.

2045079806123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 2045079806123 in words is "two trillion, forty-five billion, seventy-nine million, eight hundred six thousand, one hundred twenty-three".