1930997023 has 2 divisors, whose sum is σ = 1930997024. Its totient is φ = 1930997022.

The previous prime is 1930997009. The next prime is 1930997069. The reversal of 1930997023 is 3207990391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1930997023 - 2²¹ = 1928899871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930997093) 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, 965498511 + 965498512.

It is an arithmetic number, because the mean of its divisors is an integer number (965498512).

Almost surely, 2^1930997023 is an apocalyptic number.

1930997023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930997023 is an equidigital number, since it uses as much as digits as its factorization.

1930997023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 1930997023 is about 43943.1112121115. Note that the first 3 decimals coincide. The cubic root of 1930997023 is about 1245.2614243259.

The spelling of 1930997023 in words is "one billion, nine hundred thirty million, nine hundred ninety-seven thousand, twenty-three".