11493793123 has 2 divisors, whose sum is σ = 11493793124. Its totient is φ = 11493793122.

The previous prime is 11493793111. The next prime is 11493793147. The reversal of 11493793123 is 32139739411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11493793123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11493793123.

It is not a weakly prime, because it can be changed into another prime (11493793163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5746896561 + 5746896562.

It is an arithmetic number, because the mean of its divisors is an integer number (5746896562).

Almost surely, 2^11493793123 is an apocalyptic number.

11493793123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11493793123 is an equidigital number, since it uses as much as digits as its factorization.

11493793123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The spelling of 11493793123 in words is "eleven billion, four hundred ninety-three million, seven hundred ninety-three thousand, one hundred twenty-three".