423331021342 has 16 divisors (see below), whose sum is σ = 656452011600. Its totient is φ = 204608410560.

The previous prime is 423331021283. The next prime is 423331021381. The reversal of 423331021342 is 243120133324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 423331021342.

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, 23672592 + ... + 23690467.

It is an arithmetic number, because the mean of its divisors is an integer number (41028250725).

Almost surely, 2^423331021342 is an apocalyptic number.

423331021342 is a deficient number, since it is larger than the sum of its proper divisors (233120990258).

423331021342 is a wasteful number, since it uses less digits than its factorization.

423331021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47363211.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 423331021342 its reverse (243120133324), we get a palindrome (666451154666).

The spelling of 423331021342 in words is "four hundred twenty-three billion, three hundred thirty-one million, twenty-one thousand, three hundred forty-two".