1143223415 has 4 divisors (see below), whose sum is σ = 1371868104. Its totient is φ = 914578728.

The previous prime is 1143223399. The next prime is 1143223421. The reversal of 1143223415 is 5143223411.

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: 5143223411 = 19 ⋅270695969.

It is a cyclic number.

It is not a de Polignac number, because 1143223415 - 2⁴ = 1143223399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 114322337 + ... + 114322346.

It is an arithmetic number, because the mean of its divisors is an integer number (342967026).

Almost surely, 2^1143223415 is an apocalyptic number.

1143223415 is a deficient number, since it is larger than the sum of its proper divisors (228644689).

1143223415 is an equidigital number, since it uses as much as digits as its factorization.

1143223415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228644688.

The product of its digits is 2880, while the sum is 26.

The square root of 1143223415 is about 33811.5869932188. The cubic root of 1143223415 is about 1045.6275970316.

Adding to 1143223415 its reverse (5143223411), we get a palindrome (6286446826).

The spelling of 1143223415 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, four hundred fifteen".