123421213342 has 8 divisors (see below), whose sum is σ = 211579222896. Its totient is φ = 52894805712.

The previous prime is 123421213313. The next prime is 123421213381. The reversal of 123421213342 is 243312124321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×123421213342² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123421213342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4407900463 + ... + 4407900490.

It is an arithmetic number, because the mean of its divisors is an integer number (26447402862).

Almost surely, 2^123421213342 is an apocalyptic number.

123421213342 is a deficient number, since it is larger than the sum of its proper divisors (88158009554).

123421213342 is an equidigital number, since it uses as much as digits as its factorization.

123421213342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815800962.

The product of its digits is 6912, while the sum is 28.

Adding to 123421213342 its reverse (243312124321), we get a palindrome (366733337663).

The spelling of 123421213342 in words is "one hundred twenty-three billion, four hundred twenty-one million, two hundred thirteen thousand, three hundred forty-two".