1123203200311 has 2 divisors, whose sum is σ = 1123203200312. Its totient is φ = 1123203200310.

The previous prime is 1123203200281. The next prime is 1123203200321. The reversal of 1123203200311 is 1130023023211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123203200311 - 2¹¹ = 1123203198263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123203200321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561601600155 + 561601600156.

It is an arithmetic number, because the mean of its divisors is an integer number (561601600156).

Almost surely, 2^{1123203200311} is an apocalyptic number.

1123203200311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123203200311 is an equidigital number, since it uses as much as digits as its factorization.

1123203200311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1123203200311 its reverse (1130023023211), we get a palindrome (2253226223522).

The spelling of 1123203200311 in words is "one trillion, one hundred twenty-three billion, two hundred three million, two hundred thousand, three hundred eleven".