13428783923 has 2 divisors, whose sum is σ = 13428783924. Its totient is φ = 13428783922.

The previous prime is 13428783889. The next prime is 13428783967. The reversal of 13428783923 is 32938782431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13428783923 - 2⁶ = 13428783859 is a prime.

It is not a weakly prime, because it can be changed into another prime (13428780923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6714391961 + 6714391962.

It is an arithmetic number, because the mean of its divisors is an integer number (6714391962).

Almost surely, 2^13428783923 is an apocalyptic number.

13428783923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13428783923 is an equidigital number, since it uses as much as digits as its factorization.

13428783923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The spelling of 13428783923 in words is "thirteen billion, four hundred twenty-eight million, seven hundred eighty-three thousand, nine hundred twenty-three".