11001113423 has 16 divisors (see below), whose sum is σ = 11775067200. Its totient is φ = 10241865216.

The previous prime is 11001113419. The next prime is 11001113429. The reversal of 11001113423 is 32431110011.

It is a cyclic number.

It is not a de Polignac number, because 11001113423 - 2² = 11001113419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001113429) 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, 575861 + ... + 594657.

It is an arithmetic number, because the mean of its divisors is an integer number (735941700).

Almost surely, 2^11001113423 is an apocalyptic number.

11001113423 is a deficient number, since it is larger than the sum of its proper divisors (773953777).

11001113423 is a wasteful number, since it uses less digits than its factorization.

11001113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11001113423 its reverse (32431110011), we get a palindrome (43432223434).

The spelling of 11001113423 in words is "eleven billion, one million, one hundred thirteen thousand, four hundred twenty-three".