1203312312223 has 32 divisors (see below), whose sum is σ = 1463007744000. Its totient is φ = 988415614368.

The previous prime is 1203312312157. The next prime is 1203312312239. The reversal of 1203312312223 is 3222132133021.

It is not a de Polignac number, because 1203312312223 - 2⁹ = 1203312311711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203312312523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12018 + ... + 1551376.

It is an arithmetic number, because the mean of its divisors is an integer number (45718992000).

Almost surely, 2^{1203312312223} is an apocalyptic number.

1203312312223 is a deficient number, since it is larger than the sum of its proper divisors (259695431777).

1203312312223 is an equidigital number, since it uses as much as digits as its factorization.

1203312312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539476 (or 1539462 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1203312312223 its reverse (3222132133021), we get a palindrome (4425444445244).

The spelling of 1203312312223 in words is "one trillion, two hundred three billion, three hundred twelve million, three hundred twelve thousand, two hundred twenty-three".