11155352423 has 4 divisors (see below), whose sum is σ = 11155611480. Its totient is φ = 11155093368.

The previous prime is 11155352419. The next prime is 11155352437. The reversal of 11155352423 is 32425355111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11155352423 - 2² = 11155352419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11155352423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11155352123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47708 + ... + 156801.

It is an arithmetic number, because the mean of its divisors is an integer number (2788902870).

Almost surely, 2^11155352423 is an apocalyptic number.

11155352423 is a deficient number, since it is larger than the sum of its proper divisors (259057).

11155352423 is an equidigital number, since it uses as much as digits as its factorization.

11155352423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259056.

The product of its digits is 18000, while the sum is 32.

The spelling of 11155352423 in words is "eleven billion, one hundred fifty-five million, three hundred fifty-two thousand, four hundred twenty-three".