1623355630223 has 4 divisors (see below), whose sum is σ = 1623372345840. Its totient is φ = 1623338914608.

The previous prime is 1623355630177. The next prime is 1623355630229. The reversal of 1623355630223 is 3220365533261.

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

It is a cyclic number.

It is not a de Polignac number, because 1623355630223 - 2¹² = 1623355626127 is a prime.

It is a super-2 number, since 2×1623355630223² (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 (1623355630229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8211278 + ... + 8406651.

It is an arithmetic number, because the mean of its divisors is an integer number (405843086460).

Almost surely, 2^{1623355630223} is an apocalyptic number.

1623355630223 is a deficient number, since it is larger than the sum of its proper divisors (16715617).

1623355630223 is an equidigital number, since it uses as much as digits as its factorization.

1623355630223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715616.

The product of its (nonzero) digits is 583200, while the sum is 41.

The spelling of 1623355630223 in words is "one trillion, six hundred twenty-three billion, three hundred fifty-five million, six hundred thirty thousand, two hundred twenty-three".