623346044666 has 8 divisors (see below), whose sum is σ = 975672069984. Its totient is φ = 298122021340.

The previous prime is 623346044663. The next prime is 623346044707. The reversal of 623346044666 is 666440643326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (623346044663) 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, 6775500440 + ... + 6775500531.

It is an arithmetic number, because the mean of its divisors is an integer number (121959008748).

Almost surely, 2^623346044666 is an apocalyptic number.

623346044666 is a deficient number, since it is larger than the sum of its proper divisors (352326025318).

623346044666 is a wasteful number, since it uses less digits than its factorization.

623346044666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13551000996.

The product of its (nonzero) digits is 8957952, while the sum is 50.

The spelling of 623346044666 in words is "six hundred twenty-three billion, three hundred forty-six million, forty-four thousand, six hundred sixty-six".