1455631543223 has 64 divisors (see below), whose sum is σ = 1796186112000. Its totient is φ = 1161551664000.

The previous prime is 1455631543213. The next prime is 1455631543297. The reversal of 1455631543223 is 3223451365541.

It is not a de Polignac number, because 1455631543223 - 2¹⁶ = 1455631477687 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 (1455631543213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73883828 + ... + 73903526.

It is an arithmetic number, because the mean of its divisors is an integer number (28065408000).

Almost surely, 2^{1455631543223} is an apocalyptic number.

1455631543223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1455631543223 is a deficient number, since it is larger than the sum of its proper divisors (340554568777).

1455631543223 is a wasteful number, since it uses less digits than its factorization.

1455631543223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044.

The product of its digits is 1296000, while the sum is 44.

The spelling of 1455631543223 in words is "one trillion, four hundred fifty-five billion, six hundred thirty-one million, five hundred forty-three thousand, two hundred twenty-three".