1203203323323 has 32 divisors (see below), whose sum is σ = 1820587806720. Its totient is φ = 785009180160.

The previous prime is 1203203323303. The next prime is 1203203323339. The reversal of 1203203323323 is 3233233023021.

1203203323323 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 2 + 0 + 332 + 3 + 323 = 666.

It is not a de Polignac number, because 1203203323323 - 2²⁵ = 1203169768891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1203203323303) 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, 21960603 + ... + 22015323.

It is an arithmetic number, because the mean of its divisors is an integer number (56893368960).

Almost surely, 2^{1203203323323} is an apocalyptic number.

1203203323323 is a deficient number, since it is larger than the sum of its proper divisors (617384483397).

1203203323323 is a wasteful number, since it uses less digits than its factorization.

1203203323323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72104 (or 72098 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 1203203323323 its reverse (3233233023021), we get a palindrome (4436436346344).

The spelling of 1203203323323 in words is "one trillion, two hundred three billion, two hundred three million, three hundred twenty-three thousand, three hundred twenty-three".