426578507823 has 32 divisors (see below), whose sum is σ = 624220115904. Its totient is φ = 257499021312.

The previous prime is 426578507791. The next prime is 426578507869. The reversal of 426578507823 is 328705875624.

It is not a de Polignac number, because 426578507823 - 2⁵ = 426578507791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426578507893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10299865 + ... + 10341197.

It is an arithmetic number, because the mean of its divisors is an integer number (19506878622).

Almost surely, 2^426578507823 is an apocalyptic number.

426578507823 is a deficient number, since it is larger than the sum of its proper divisors (197641608081).

426578507823 is a wasteful number, since it uses less digits than its factorization.

426578507823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46395.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 426578507823 in words is "four hundred twenty-six billion, five hundred seventy-eight million, five hundred seven thousand, eight hundred twenty-three".