11420203342403 has 2 divisors, whose sum is σ = 11420203342404. Its totient is φ = 11420203342402.

The previous prime is 11420203342399. The next prime is 11420203342423. The reversal of 11420203342403 is 30424330202411.

11420203342403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11420203342403 - 2² = 11420203342399 is a prime.

It is not a weakly prime, because it can be changed into another prime (11420203342423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5710101671201 + 5710101671202.

It is an arithmetic number, because the mean of its divisors is an integer number (5710101671202).

Almost surely, 2^{11420203342403} is an apocalyptic number.

11420203342403 is a deficient number, since it is larger than the sum of its proper divisors (1).

11420203342403 is an equidigital number, since it uses as much as digits as its factorization.

11420203342403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 11420203342403 its reverse (30424330202411), we get a palindrome (41844533544814).

The spelling of 11420203342403 in words is "eleven trillion, four hundred twenty billion, two hundred three million, three hundred forty-two thousand, four hundred three".