623213455003 has 4 divisors (see below), whose sum is σ = 623646544320. Its totient is φ = 622780365688.

The previous prime is 623213455001. The next prime is 623213455027. The reversal of 623213455003 is 300554312326.

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 623213455003 - 2¹ = 623213455001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623213455003.

It is not an unprimeable number, because it can be changed into a prime (623213455001) 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 in 3 ways as a sum of consecutive naturals, for example, 216542500 + ... + 216545377.

It is an arithmetic number, because the mean of its divisors is an integer number (155911636080).

Almost surely, 2^623213455003 is an apocalyptic number.

623213455003 is a deficient number, since it is larger than the sum of its proper divisors (433089317).

623213455003 is a wasteful number, since it uses less digits than its factorization.

623213455003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433089316.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 623213455003 its reverse (300554312326), we get a palindrome (923767767329).

The spelling of 623213455003 in words is "six hundred twenty-three billion, two hundred thirteen million, four hundred fifty-five thousand, three".