1203111312223 has 2 divisors, whose sum is σ = 1203111312224. Its totient is φ = 1203111312222.

The previous prime is 1203111312191. The next prime is 1203111312251. The reversal of 1203111312223 is 3222131113021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3222131113021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1203111312223 - 2⁵ = 1203111312191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203111312194 and 1203111312203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203111312253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601555656111 + 601555656112.

It is an arithmetic number, because the mean of its divisors is an integer number (601555656112).

Almost surely, 2^{1203111312223} is an apocalyptic number.

1203111312223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203111312223 is an equidigital number, since it uses as much as digits as its factorization.

1203111312223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1203111312223 its reverse (3222131113021), we get a palindrome (4425242425244).

The spelling of 1203111312223 in words is "one trillion, two hundred three billion, one hundred eleven million, three hundred twelve thousand, two hundred twenty-three".