11543023801 has 4 divisors (see below), whose sum is σ = 11612143872. Its totient is φ = 11473903732.

The previous prime is 11543023799. The next prime is 11543023841. The reversal of 11543023801 is 10832034511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11543023801 - 2¹ = 11543023799 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 11543023801.

It is not an unprimeable number, because it can be changed into a prime (11543023841) 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, 34559785 + ... + 34560118.

It is an arithmetic number, because the mean of its divisors is an integer number (2903035968).

Almost surely, 2^11543023801 is an apocalyptic number.

It is an amenable number.

11543023801 is a deficient number, since it is larger than the sum of its proper divisors (69120071).

11543023801 is an equidigital number, since it uses as much as digits as its factorization.

11543023801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69120070.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 11543023801 in words is "eleven billion, five hundred forty-three million, twenty-three thousand, eight hundred one".