423243322034442 has 64 divisors (see below), whose sum is σ = 1103113816729344. Its totient is φ = 105058458731520.

The previous prime is 423243322034441. The next prime is 423243322034521. The reversal of 423243322034442 is 244430223342324.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 423243322034394 and 423243322034403.

It is not an unprimeable number, because it can be changed into a prime (423243322034441) 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, 22799135409 + ... + 22799153972.

It is an arithmetic number, because the mean of its divisors is an integer number (17236153386396).

Almost surely, 2^{423243322034442} is an apocalyptic number.

423243322034442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

423243322034442 is an abundant number, since it is smaller than the sum of its proper divisors (679870494694902).

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

423243322034442 is a wasteful number, since it uses less digits than its factorization.

423243322034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45598289423.

The product of its (nonzero) digits is 2654208, while the sum is 42.

Adding to 423243322034442 its reverse (244430223342324), we get a palindrome (667673545376766).

The spelling of 423243322034442 in words is "four hundred twenty-three trillion, two hundred forty-three billion, three hundred twenty-two million, thirty-four thousand, four hundred forty-two".