1401442403 has 2 divisors, whose sum is σ = 1401442404. Its totient is φ = 1401442402.

The previous prime is 1401442351. The next prime is 1401442423. The reversal of 1401442403 is 3042441041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401442403 - 2²⁸ = 1133006947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401442423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700721201 + 700721202.

It is an arithmetic number, because the mean of its divisors is an integer number (700721202).

Almost surely, 2^1401442403 is an apocalyptic number.

1401442403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401442403 is an equidigital number, since it uses as much as digits as its factorization.

1401442403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1401442403 is about 37435.8438264720. The cubic root of 1401442403 is about 1119.0730007589.

Adding to 1401442403 its reverse (3042441041), we get a palindrome (4443883444).

The spelling of 1401442403 in words is "one billion, four hundred one million, four hundred forty-two thousand, four hundred three".