1342643001623 has 8 divisors (see below), whose sum is σ = 1673944521600. Its totient is φ = 1046215325880.

The previous prime is 1342643001599. The next prime is 1342643001659. The reversal of 1342643001623 is 3261003462431.

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

It is a cyclic number.

It is not a de Polignac number, because 1342643001623 - 2⁶ = 1342643001559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342643001023) 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, 8718460973 + ... + 8718461126.

It is an arithmetic number, because the mean of its divisors is an integer number (209243065200).

Almost surely, 2^{1342643001623} is an apocalyptic number.

1342643001623 is a deficient number, since it is larger than the sum of its proper divisors (331301519977).

1342643001623 is a wasteful number, since it uses less digits than its factorization.

1342643001623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17436922117.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 1342643001623 in words is "one trillion, three hundred forty-two billion, six hundred forty-three million, one thousand, six hundred twenty-three".