11190284123 has 2 divisors, whose sum is σ = 11190284124. Its totient is φ = 11190284122.

The previous prime is 11190284011. The next prime is 11190284173. The reversal of 11190284123 is 32148209111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11190284123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11190284123.

It is not a weakly prime, because it can be changed into another prime (11190284173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5595142061 + 5595142062.

It is an arithmetic number, because the mean of its divisors is an integer number (5595142062).

Almost surely, 2^11190284123 is an apocalyptic number.

11190284123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11190284123 is an equidigital number, since it uses as much as digits as its factorization.

11190284123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 11190284123 in words is "eleven billion, one hundred ninety million, two hundred eighty-four thousand, one hundred twenty-three".