623323441663 has 8 divisors (see below), whose sum is σ = 672366466688. Its totient is φ = 574436854944.

The previous prime is 623323441661. The next prime is 623323441687. The reversal of 623323441663 is 366144323326.

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 623323441663 - 2¹ = 623323441661 is a prime.

It is a super-2 number, since 2×623323441663² (a number of 24 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 (623323441661) 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, 39101295 + ... + 39117232.

It is an arithmetic number, because the mean of its divisors is an integer number (84045808336).

Almost surely, 2^623323441663 is an apocalyptic number.

623323441663 is a deficient number, since it is larger than the sum of its proper divisors (49043025025).

623323441663 is a wasteful number, since it uses less digits than its factorization.

623323441663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78219153.

The product of its digits is 1119744, while the sum is 43.

Adding to 623323441663 its reverse (366144323326), we get a palindrome (989467764989).

The spelling of 623323441663 in words is "six hundred twenty-three billion, three hundred twenty-three million, four hundred forty-one thousand, six hundred sixty-three".