455023227643 has 16 divisors (see below), whose sum is σ = 468376989696. Its totient is φ = 441824310720.

The previous prime is 455023227641. The next prime is 455023227667. The reversal of 455023227643 is 346722320554.

It is a cyclic number.

It is not a de Polignac number, because 455023227643 - 2¹ = 455023227641 is a prime.

It is a super-2 number, since 2×455023227643² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455023227643.

It is not an unprimeable number, because it can be changed into a prime (455023227641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30919255 + ... + 30933967.

It is an arithmetic number, because the mean of its divisors is an integer number (29273561856).

Almost surely, 2^455023227643 is an apocalyptic number.

455023227643 is a deficient number, since it is larger than the sum of its proper divisors (13353762053).

455023227643 is a wasteful number, since it uses less digits than its factorization.

455023227643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19914.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 455023227643 in words is "four hundred fifty-five billion, twenty-three million, two hundred twenty-seven thousand, six hundred forty-three".