1623664003342 has 4 divisors (see below), whose sum is σ = 2435496005016. Its totient is φ = 811832001670.

The previous prime is 1623664003201. The next prime is 1623664003343. The reversal of 1623664003342 is 2433004663261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1623664003295 and 1623664003304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623664003343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405916000834 + ... + 405916000837.

It is an arithmetic number, because the mean of its divisors is an integer number (608874001254).

Almost surely, 2^{1623664003342} is an apocalyptic number.

1623664003342 is a deficient number, since it is larger than the sum of its proper divisors (811832001674).

1623664003342 is an equidigital number, since it uses as much as digits as its factorization.

1623664003342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811832001673.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 1623664003342 in words is "one trillion, six hundred twenty-three billion, six hundred sixty-four million, three thousand, three hundred forty-two".