11143223402 has 8 divisors (see below), whose sum is σ = 17441567136. Its totient is φ = 5329367692.

The previous prime is 11143223383. The next prime is 11143223411. The reversal of 11143223402 is 20432234111.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 121121948 + ... + 121122039.

It is an arithmetic number, because the mean of its divisors is an integer number (2180195892).

Almost surely, 2^11143223402 is an apocalyptic number.

11143223402 is a deficient number, since it is larger than the sum of its proper divisors (6298343734).

11143223402 is a wasteful number, since it uses less digits than its factorization.

11143223402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242244012.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11143223402 its reverse (20432234111), we get a palindrome (31575457513).

The spelling of 11143223402 in words is "eleven billion, one hundred forty-three million, two hundred twenty-three thousand, four hundred two".