11312303143 has 2 divisors, whose sum is σ = 11312303144. Its totient is φ = 11312303142.

The previous prime is 11312303137. The next prime is 11312303213. The reversal of 11312303143 is 34130321311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11312303143 - 2¹³ = 11312294951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312303843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656151571 + 5656151572.

It is an arithmetic number, because the mean of its divisors is an integer number (5656151572).

Almost surely, 2^11312303143 is an apocalyptic number.

11312303143 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312303143 is an equidigital number, since it uses as much as digits as its factorization.

11312303143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11312303143 its reverse (34130321311), we get a palindrome (45442624454).

The spelling of 11312303143 in words is "eleven billion, three hundred twelve million, three hundred three thousand, one hundred forty-three".