2142145443223 has 8 divisors (see below), whose sum is σ = 2235310149600. Its totient is φ = 2048983065888.

The previous prime is 2142145443199. The next prime is 2142145443253. The reversal of 2142145443223 is 3223445412412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142145443223 - 2²¹ = 2142143346071 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 (2142145443253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447893 + ... + 2526001.

It is an arithmetic number, because the mean of its divisors is an integer number (279413768700).

Almost surely, 2^{2142145443223} is an apocalyptic number.

2142145443223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142145443223 is a deficient number, since it is larger than the sum of its proper divisors (93164706377).

2142145443223 is a wasteful number, since it uses less digits than its factorization.

2142145443223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164521.

The product of its digits is 184320, while the sum is 37.

The spelling of 2142145443223 in words is "two trillion, one hundred forty-two billion, one hundred forty-five million, four hundred forty-three thousand, two hundred twenty-three".