11383434123 has 16 divisors (see below), whose sum is σ = 15239943936. Its totient is φ = 7557976160.

The previous prime is 11383434121. The next prime is 11383434133. The reversal of 11383434123 is 32143438311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11383434123 - 2¹ = 11383434121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11383434121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1672858 + ... + 1679648.

It is an arithmetic number, because the mean of its divisors is an integer number (952496496).

Almost surely, 2^11383434123 is an apocalyptic number.

11383434123 is a deficient number, since it is larger than the sum of its proper divisors (3856509813).

11383434123 is a wasteful number, since it uses less digits than its factorization.

11383434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994.

The product of its digits is 20736, while the sum is 33.

The spelling of 11383434123 in words is "eleven billion, three hundred eighty-three million, four hundred thirty-four thousand, one hundred twenty-three".