1141023223 has 4 divisors (see below), whose sum is σ = 1146431128. Its totient is φ = 1135615320.

The previous prime is 1141023181. The next prime is 1141023229. The reversal of 1141023223 is 3223201411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223201411 = 17 ⋅189600083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141023223 is a prime.

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 1141023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141023229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2703636 + ... + 2704057.

It is an arithmetic number, because the mean of its divisors is an integer number (286607782).

Almost surely, 2^1141023223 is an apocalyptic number.

1141023223 is a deficient number, since it is larger than the sum of its proper divisors (5407905).

1141023223 is an equidigital number, since it uses as much as digits as its factorization.

1141023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407904.

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

The square root of 1141023223 is about 33779.0352585742. The cubic root of 1141023223 is about 1044.9563782986.

Adding to 1141023223 its reverse (3223201411), we get a palindrome (4364224634).

The spelling of 1141023223 in words is "one billion, one hundred forty-one million, twenty-three thousand, two hundred twenty-three".