11512739323 has 2 divisors, whose sum is σ = 11512739324. Its totient is φ = 11512739322.

The previous prime is 11512739321. The next prime is 11512739333. The reversal of 11512739323 is 32393721511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11512739323 - 2¹ = 11512739321 is a prime.

Together with 11512739321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11512739321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756369661 + 5756369662.

It is an arithmetic number, because the mean of its divisors is an integer number (5756369662).

Almost surely, 2^11512739323 is an apocalyptic number.

11512739323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11512739323 is an equidigital number, since it uses as much as digits as its factorization.

11512739323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The spelling of 11512739323 in words is "eleven billion, five hundred twelve million, seven hundred thirty-nine thousand, three hundred twenty-three".