1351228423 has 2 divisors, whose sum is σ = 1351228424. Its totient is φ = 1351228422.

The previous prime is 1351228369. The next prime is 1351228429. The reversal of 1351228423 is 3248221531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351228423 is a prime.

It is a super-2 number, since 2×1351228423² = 3651636502246133858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1351228429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675614211 + 675614212.

It is an arithmetic number, because the mean of its divisors is an integer number (675614212).

Almost surely, 2^1351228423 is an apocalyptic number.

1351228423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351228423 is an equidigital number, since it uses as much as digits as its factorization.

1351228423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 1351228423 is about 36759.0590603187. The cubic root of 1351228423 is about 1105.5445738184.

Adding to 1351228423 its reverse (3248221531), we get a palindrome (4599449954).

The spelling of 1351228423 in words is "one billion, three hundred fifty-one million, two hundred twenty-eight thousand, four hundred twenty-three".