11543562323 has 8 divisors (see below), whose sum is σ = 11875228992. Its totient is φ = 11215481536.

The previous prime is 11543562319. The next prime is 11543562361. The reversal of 11543562323 is 32326534511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11543562323 - 2² = 11543562319 is a prime.

It is a super-2 number, since 2×11543562323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543522323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889940 + ... + 902817.

It is an arithmetic number, because the mean of its divisors is an integer number (1484403624).

Almost surely, 2^11543562323 is an apocalyptic number.

11543562323 is a deficient number, since it is larger than the sum of its proper divisors (331666669).

11543562323 is a wasteful number, since it uses less digits than its factorization.

11543562323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792941.

The product of its digits is 64800, while the sum is 35.

The spelling of 11543562323 in words is "eleven billion, five hundred forty-three million, five hundred sixty-two thousand, three hundred twenty-three".