623006534445 has 32 divisors (see below), whose sum is σ = 1000733405184. Its totient is φ = 330964800000.

The previous prime is 623006534443. The next prime is 623006534509. The reversal of 623006534445 is 544435600326.

It is a happy number.

It is not a de Polignac number, because 623006534445 - 2¹ = 623006534443 is a prime.

It is a super-2 number, since 2×623006534445² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 623006534397 and 623006534406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623006534443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4300695 + ... + 4443195.

It is an arithmetic number, because the mean of its divisors is an integer number (31272918912).

Almost surely, 2^623006534445 is an apocalyptic number.

It is an amenable number.

623006534445 is a deficient number, since it is larger than the sum of its proper divisors (377726870739).

623006534445 is a wasteful number, since it uses less digits than its factorization.

623006534445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143653.

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 623006534445 in words is "six hundred twenty-three billion, six million, five hundred thirty-four thousand, four hundred forty-five".