858147840023 has 2 divisors, whose sum is σ = 858147840024. Its totient is φ = 858147840022.

The previous prime is 858147839977. The next prime is 858147840031. The reversal of 858147840023 is 320048741858.

858147840023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 858147840023 - 2⁸ = 858147839767 is a prime.

It is a super-2 number, since 2×858147840023² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858147840923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429073920011 + 429073920012.

It is an arithmetic number, because the mean of its divisors is an integer number (429073920012).

Almost surely, 2^858147840023 is an apocalyptic number.

858147840023 is a deficient number, since it is larger than the sum of its proper divisors (1).

858147840023 is an equidigital number, since it uses as much as digits as its factorization.

858147840023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 858147840023 in words is "eight hundred fifty-eight billion, one hundred forty-seven million, eight hundred forty thousand, twenty-three".