11502542323 has 4 divisors (see below), whose sum is σ = 11507681920. Its totient is φ = 11497402728.

The previous prime is 11502542309. The next prime is 11502542399. The reversal of 11502542323 is 32324520511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11502542323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11502542291 and 11502542300.

It is not an unprimeable number, because it can be changed into a prime (11502542123) 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, 2566440 + ... + 2570917.

It is an arithmetic number, because the mean of its divisors is an integer number (2876920480).

Almost surely, 2^11502542323 is an apocalyptic number.

11502542323 is a deficient number, since it is larger than the sum of its proper divisors (5139597).

11502542323 is an equidigital number, since it uses as much as digits as its factorization.

11502542323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139596.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 11502542323 in words is "eleven billion, five hundred two million, five hundred forty-two thousand, three hundred twenty-three".