1143223502 has 8 divisors (see below), whose sum is σ = 1805089800. Its totient is φ = 541526904.

The previous prime is 1143223481. The next prime is 1143223517. The reversal of 1143223502 is 2053223411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15042377 + ... + 15042452.

It is an arithmetic number, because the mean of its divisors is an integer number (225636225).

Almost surely, 2^1143223502 is an apocalyptic number.

1143223502 is a deficient number, since it is larger than the sum of its proper divisors (661866298).

1143223502 is a wasteful number, since it uses less digits than its factorization.

1143223502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30084850.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1143223502 is about 33811.5882797599. The cubic root of 1143223502 is about 1045.6276235559.

Adding to 1143223502 its reverse (2053223411), we get a palindrome (3196446913).

Subtracting 1143223502 from its reverse (2053223411), we obtain a palindrome (909999909).

The spelling of 1143223502 in words is "one billion, one hundred forty-three million, two hundred twenty-three thousand, five hundred two".