42056465023 has 2 divisors, whose sum is σ = 42056465024. Its totient is φ = 42056465022.

The previous prime is 42056464987. The next prime is 42056465027. The reversal of 42056465023 is 32056465024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42056465023 - 2¹⁷ = 42056333951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42056465027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21028232511 + 21028232512.

It is an arithmetic number, because the mean of its divisors is an integer number (21028232512).

Almost surely, 2^42056465023 is an apocalyptic number.

42056465023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42056465023 is an equidigital number, since it uses as much as digits as its factorization.

42056465023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 37.

Subtracting from 42056465023 its reverse (32056465024), we obtain a palindrome (9999999999).

The spelling of 42056465023 in words is "forty-two billion, fifty-six million, four hundred sixty-five thousand, twenty-three".