623147493443 has 8 divisors (see below), whose sum is σ = 656016142800. Its totient is φ = 590285985408.

The previous prime is 623147493407. The next prime is 623147493497. The reversal of 623147493443 is 344394741326.

It is a happy number.

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 623147493443 - 2²⁰ = 623146444867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623147493391 and 623147493400.

It is not an unprimeable number, because it can be changed into a prime (623147493743) 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, 1605746 + ... + 1955687.

It is an arithmetic number, because the mean of its divisors is an integer number (82002017850).

Almost surely, 2^623147493443 is an apocalyptic number.

623147493443 is a deficient number, since it is larger than the sum of its proper divisors (32868649357).

623147493443 is a wasteful number, since it uses less digits than its factorization.

623147493443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570661.

The product of its digits is 5225472, while the sum is 50.

The spelling of 623147493443 in words is "six hundred twenty-three billion, one hundred forty-seven million, four hundred ninety-three thousand, four hundred forty-three".