11342423231 has 2 divisors, whose sum is σ = 11342423232. Its totient is φ = 11342423230.

The previous prime is 11342423219. The next prime is 11342423237. The reversal of 11342423231 is 13232424311.

It is a strong prime.

It is an emirp because it is prime and its reverse (13232424311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11342423231 - 2¹⁰ = 11342422207 is a prime.

It is a super-2 number, since 2×11342423231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11342423231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11342423237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5671211615 + 5671211616.

It is an arithmetic number, because the mean of its divisors is an integer number (5671211616).

Almost surely, 2^11342423231 is an apocalyptic number.

11342423231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11342423231 is an equidigital number, since it uses as much as digits as its factorization.

11342423231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

Adding to 11342423231 its reverse (13232424311), we get a palindrome (24574847542).

The spelling of 11342423231 in words is "eleven billion, three hundred forty-two million, four hundred twenty-three thousand, two hundred thirty-one".