11423120623 has 2 divisors, whose sum is σ = 11423120624. Its totient is φ = 11423120622.

The previous prime is 11423120603. The next prime is 11423120647. The reversal of 11423120623 is 32602132411.

It is a weak prime.

It is an emirp because it is prime and its reverse (32602132411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11423120623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11423120603) 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, 5711560311 + 5711560312.

It is an arithmetic number, because the mean of its divisors is an integer number (5711560312).

Almost surely, 2^11423120623 is an apocalyptic number.

11423120623 is a deficient number, since it is larger than the sum of its proper divisors (1).

11423120623 is an equidigital number, since it uses as much as digits as its factorization.

11423120623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 11423120623 in words is "eleven billion, four hundred twenty-three million, one hundred twenty thousand, six hundred twenty-three".