1578713023 has 2 divisors, whose sum is σ = 1578713024. Its totient is φ = 1578713022.

The previous prime is 1578713009. The next prime is 1578713039. The reversal of 1578713023 is 3203178751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1578713023 - 2⁹ = 1578712511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1578713083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789356511 + 789356512.

It is an arithmetic number, because the mean of its divisors is an integer number (789356512).

Almost surely, 2^1578713023 is an apocalyptic number.

1578713023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1578713023 is an equidigital number, since it uses as much as digits as its factorization.

1578713023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1578713023 is about 39733.0218206469. The cubic root of 1578713023 is about 1164.3969624903.

The spelling of 1578713023 in words is "one billion, five hundred seventy-eight million, seven hundred thirteen thousand, twenty-three".