11012343239 has 2 divisors, whose sum is σ = 11012343240. Its totient is φ = 11012343238.

The previous prime is 11012343227. The next prime is 11012343253. The reversal of 11012343239 is 93234321011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11012343239 - 2²⁰ = 11011294663 is a prime.

It is a super-2 number, since 2×11012343239² (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 (11012343289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506171619 + 5506171620.

It is an arithmetic number, because the mean of its divisors is an integer number (5506171620).

Almost surely, 2^11012343239 is an apocalyptic number.

11012343239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012343239 is an equidigital number, since it uses as much as digits as its factorization.

11012343239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 11012343239 in words is "eleven billion, twelve million, three hundred forty-three thousand, two hundred thirty-nine".