1342623323621 has 4 divisors (see below), whose sum is σ = 1365379651200. Its totient is φ = 1319866996044.

The previous prime is 1342623323617. The next prime is 1342623323633. The reversal of 1342623323621 is 1263233262431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1342623323621 - 2² = 1342623323617 is a prime.

It is a super-2 number, since 2×1342623323621² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342623328621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11378163701 + ... + 11378163818.

It is an arithmetic number, because the mean of its divisors is an integer number (341344912800).

Almost surely, 2^{1342623323621} is an apocalyptic number.

It is an amenable number.

1342623323621 is a deficient number, since it is larger than the sum of its proper divisors (22756327579).

1342623323621 is an equidigital number, since it uses as much as digits as its factorization.

1342623323621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756327578.

The product of its digits is 186624, while the sum is 38.

The spelling of 1342623323621 in words is "one trillion, three hundred forty-two billion, six hundred twenty-three million, three hundred twenty-three thousand, six hundred twenty-one".