623346123325646 has 64 divisors (see below), whose sum is σ = 1079452570775040. Its totient is φ = 264437618611200.

The previous prime is 623346123325643. The next prime is 623346123325697. The reversal of 623346123325646 is 646523321643326.

It is a super-2 number, since 2×623346123325646² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 623346123325591 and 623346123325600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623346123325643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31493251526 + ... + 31493271318.

It is an arithmetic number, because the mean of its divisors is an integer number (16866446418360).

Almost surely, 2^{623346123325646} is an apocalyptic number.

623346123325646 is a deficient number, since it is larger than the sum of its proper divisors (456106447449394).

623346123325646 is a wasteful number, since it uses less digits than its factorization.

623346123325646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35849.

The product of its digits is 67184640, while the sum is 56.

The spelling of 623346123325646 in words is "six hundred twenty-three trillion, three hundred forty-six billion, one hundred twenty-three million, three hundred twenty-five thousand, six hundred forty-six".