1142301223 has 16 divisors (see below), whose sum is σ = 1377792000. Its totient is φ = 925156512.

The previous prime is 1142301203. The next prime is 1142301239. The reversal of 1142301223 is 3221032411.

It is a happy number.

It is not a de Polignac number, because 1142301223 - 2¹⁷ = 1142170151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 1142301223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142301203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40698 + ... + 62776.

It is an arithmetic number, because the mean of its divisors is an integer number (86112000).

Almost surely, 2^1142301223 is an apocalyptic number.

1142301223 is a deficient number, since it is larger than the sum of its proper divisors (235490777).

1142301223 is a wasteful number, since it uses less digits than its factorization.

1142301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22494.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1142301223 is about 33797.9470234510. The cubic root of 1142301223 is about 1045.3463662626.

Adding to 1142301223 its reverse (3221032411), we get a palindrome (4363333634).

The spelling of 1142301223 in words is "one billion, one hundred forty-two million, three hundred one thousand, two hundred twenty-three".