445746372501623 has 8 divisors (see below), whose sum is σ = 445951801320480. Its totient is φ = 445540974524800.

The previous prime is 445746372501589. The next prime is 445746372501641. The reversal of 445746372501623 is 326105273647544.

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 445746372501623 - 2¹⁸ = 445746372239479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445746372501643) 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, 21226286 + ... + 36633972.

It is an arithmetic number, because the mean of its divisors is an integer number (55743975165060).

Almost surely, 2^{445746372501623} is an apocalyptic number.

445746372501623 is a deficient number, since it is larger than the sum of its proper divisors (205428818857).

445746372501623 is a wasteful number, since it uses less digits than its factorization.

445746372501623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15421017.

The product of its (nonzero) digits is 101606400, while the sum is 59.

The spelling of 445746372501623 in words is "four hundred forty-five trillion, seven hundred forty-six billion, three hundred seventy-two million, five hundred one thousand, six hundred twenty-three".