423456782 has 16 divisors (see below), whose sum is σ = 750958560. Its totient is φ = 175223328.

The previous prime is 423456773. The next prime is 423456799. The reversal of 423456782 is 287654324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521093 + ... + 521904.

It is an arithmetic number, because the mean of its divisors is an integer number (46934910).

Almost surely, 2^423456782 is an apocalyptic number.

423456782 is a deficient number, since it is larger than the sum of its proper divisors (327501778).

423456782 is a wasteful number, since it uses less digits than its factorization.

423456782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043035.

The product of its digits is 322560, while the sum is 41.

The square root of 423456782 is about 20578.0655553431. The cubic root of 423456782 is about 750.9361832247.

It can be divided in two parts, 4234 and 56782, that added together give a palindrome (61016).

The spelling of 423456782 in words is "four hundred twenty-three million, four hundred fifty-six thousand, seven hundred eighty-two".