1401223403 has 2 divisors, whose sum is σ = 1401223404. Its totient is φ = 1401223402.

The previous prime is 1401223379. The next prime is 1401223409. The reversal of 1401223403 is 3043221041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401223403 - 2¹⁰ = 1401222379 is a prime.

It is a super-2 number, since 2×1401223403² = 3926854050229800818, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1401223409) 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, 700611701 + 700611702.

It is an arithmetic number, because the mean of its divisors is an integer number (700611702).

Almost surely, 2^1401223403 is an apocalyptic number.

1401223403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401223403 is an equidigital number, since it uses as much as digits as its factorization.

1401223403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1401223403 is about 37432.9187080035. The cubic root of 1401223403 is about 1119.0147061158.

Adding to 1401223403 its reverse (3043221041), we get a palindrome (4444444444).

The spelling of 1401223403 in words is "one billion, four hundred one million, two hundred twenty-three thousand, four hundred three".