1401123203143 has 2 divisors, whose sum is σ = 1401123203144. Its totient is φ = 1401123203142.

The previous prime is 1401123203113. The next prime is 1401123203149. The reversal of 1401123203143 is 3413023211041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1401123203143 - 2⁹ = 1401123202631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401123203149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700561601571 + 700561601572.

It is an arithmetic number, because the mean of its divisors is an integer number (700561601572).

Almost surely, 2^{1401123203143} is an apocalyptic number.

1401123203143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401123203143 is an equidigital number, since it uses as much as digits as its factorization.

1401123203143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1401123203143 its reverse (3413023211041), we get a palindrome (4814146414184).

The spelling of 1401123203143 in words is "one trillion, four hundred one billion, one hundred twenty-three million, two hundred three thousand, one hundred forty-three".