1400243401303 has 4 divisors (see below), whose sum is σ = 1409162149240. Its totient is φ = 1391324653368.

The previous prime is 1400243401279. The next prime is 1400243401327. The reversal of 1400243401303 is 3031043420041.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1400243401279) and next prime (1400243401327).

It is a cyclic number.

It is not a de Polignac number, because 1400243401303 - 2³³ = 1391653466711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400243401373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4459373733 + ... + 4459374046.

It is an arithmetic number, because the mean of its divisors is an integer number (352290537310).

Almost surely, 2^{1400243401303} is an apocalyptic number.

1400243401303 is a deficient number, since it is larger than the sum of its proper divisors (8918747937).

1400243401303 is an equidigital number, since it uses as much as digits as its factorization.

1400243401303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8918747936.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1400243401303 its reverse (3031043420041), we get a palindrome (4431286821344).

The spelling of 1400243401303 in words is "one trillion, four hundred billion, two hundred forty-three million, four hundred one thousand, three hundred three".