423121322344 has 32 divisors (see below), whose sum is σ = 907935799680. Its totient is φ = 181088259264.

The previous prime is 423121322311. The next prime is 423121322347. The reversal of 423121322344 is 443223121324.

It is not an unprimeable number, because it can be changed into a prime (423121322347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5155807 + ... + 5237230.

It is an arithmetic number, because the mean of its divisors is an integer number (28372993740).

Almost surely, 2^423121322344 is an apocalyptic number.

It is an amenable number.

423121322344 is an abundant number, since it is smaller than the sum of its proper divisors (484814477336).

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

423121322344 is a wasteful number, since it uses less digits than its factorization.

423121322344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393777 (or 10393773 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 423121322344 its reverse (443223121324), we get a palindrome (866344443668).

The spelling of 423121322344 in words is "four hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, three hundred forty-four".