1013321423 has 2 divisors, whose sum is σ = 1013321424. Its totient is φ = 1013321422.

The previous prime is 1013321389. The next prime is 1013321453. The reversal of 1013321423 is 3241233101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013321423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013321395 and 1013321404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013321453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506660711 + 506660712.

It is an arithmetic number, because the mean of its divisors is an integer number (506660712).

Almost surely, 2^1013321423 is an apocalyptic number.

1013321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013321423 is an equidigital number, since it uses as much as digits as its factorization.

1013321423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1013321423 is about 31832.7099537567. The cubic root of 1013321423 is about 1004.4209011650.

Adding to 1013321423 its reverse (3241233101), we get a palindrome (4254554524).

The spelling of 1013321423 in words is "one billion, thirteen million, three hundred twenty-one thousand, four hundred twenty-three".