623466146804047 has 32 divisors (see below), whose sum is σ = 656273596631040. Its totient is φ = 591151271040000.

The previous prime is 623466146803999. The next prime is 623466146804069. The reversal of 623466146804047 is 740408641664326.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623466146804047 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623466146804087) 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 31 ways as a sum of consecutive naturals, for example, 5515341847 + ... + 5515454887.

It is an arithmetic number, because the mean of its divisors is an integer number (20508549894720).

Almost surely, 2^{623466146804047} is an apocalyptic number.

623466146804047 is a deficient number, since it is larger than the sum of its proper divisors (32807449826993).

623466146804047 is a wasteful number, since it uses less digits than its factorization.

623466146804047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116575.

The product of its (nonzero) digits is 111476736, while the sum is 61.

The spelling of 623466146804047 in words is "six hundred twenty-three trillion, four hundred sixty-six billion, one hundred forty-six million, eight hundred four thousand, forty-seven".