11423491243 has 2 divisors, whose sum is σ = 11423491244. Its totient is φ = 11423491242.

The previous prime is 11423491237. The next prime is 11423491249. The reversal of 11423491243 is 34219432411.

It is a balanced prime because it is at equal distance from previous prime (11423491237) and next prime (11423491249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11423491243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11423491199 and 11423491208.

It is not a weakly prime, because it can be changed into another prime (11423491249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711745621 + 5711745622.

It is an arithmetic number, because the mean of its divisors is an integer number (5711745622).

Almost surely, 2^11423491243 is an apocalyptic number.

11423491243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423491243 is an equidigital number, since it uses as much as digits as its factorization.

11423491243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The spelling of 11423491243 in words is "eleven billion, four hundred twenty-three million, four hundred ninety-one thousand, two hundred forty-three".