423400542250512 has 80 divisors (see below), whose sum is σ = 1119237477976640. Its totient is φ = 137849382268416.

The previous prime is 423400542250481. The next prime is 423400542250529. The reversal of 423400542250512 is 215052245004324.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147660618 + ... + 150500694.

It is an arithmetic number, because the mean of its divisors is an integer number (13990468474708).

Almost surely, 2^{423400542250512} is an apocalyptic number.

It is an amenable number.

423400542250512 is an abundant number, since it is smaller than the sum of its proper divisors (695836935726128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423400542250512 is a wasteful number, since it uses less digits than its factorization.

423400542250512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912360 (or 2912354 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 423400542250512 its reverse (215052245004324), we get a palindrome (638452787254836).

The spelling of 423400542250512 in words is "four hundred twenty-three trillion, four hundred billion, five hundred forty-two million, two hundred fifty thousand, five hundred twelve".