11802342823 has 2 divisors, whose sum is σ = 11802342824. Its totient is φ = 11802342822.

The previous prime is 11802342787. The next prime is 11802342833. The reversal of 11802342823 is 32824320811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11802342823 - 2²¹ = 11800245671 is a prime.

It is a super-2 number, since 2×11802342823² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11802342833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5901171411 + 5901171412.

It is an arithmetic number, because the mean of its divisors is an integer number (5901171412).

Almost surely, 2^11802342823 is an apocalyptic number.

11802342823 is a deficient number, since it is larger than the sum of its proper divisors (1).

11802342823 is an equidigital number, since it uses as much as digits as its factorization.

11802342823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 11802342823 in words is "eleven billion, eight hundred two million, three hundred forty-two thousand, eight hundred twenty-three".