11123032402 has 16 divisors (see below), whose sum is σ = 17571247200. Its totient is φ = 5266235520.

The previous prime is 11123032381. The next prime is 11123032429. The reversal of 11123032402 is 20423032111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11123032402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8749 + ... + 149407.

It is an arithmetic number, because the mean of its divisors is an integer number (1098202950).

Almost surely, 2^11123032402 is an apocalyptic number.

11123032402 is a deficient number, since it is larger than the sum of its proper divisors (6448214798).

11123032402 is a wasteful number, since it uses less digits than its factorization.

11123032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142761.

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

Adding to 11123032402 its reverse (20423032111), we get a palindrome (31546064513).

The spelling of 11123032402 in words is "eleven billion, one hundred twenty-three million, thirty-two thousand, four hundred two".