1202131323 has 6 divisors (see below), whose sum is σ = 1736411924. Its totient is φ = 801420876.

The previous prime is 1202131309. The next prime is 1202131367. The reversal of 1202131323 is 3231312021.

It is not a de Polignac number, because 1202131323 - 2⁵ = 1202131291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202131296 and 1202131305.

It is not an unprimeable number, because it can be changed into a prime (1202131373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66785065 + ... + 66785082.

Almost surely, 2^1202131323 is an apocalyptic number.

1202131323 is a deficient number, since it is larger than the sum of its proper divisors (534280601).

1202131323 is a wasteful number, since it uses less digits than its factorization.

1202131323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133570153 (or 133570150 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1202131323 is about 34671.7655016297. The cubic root of 1202131323 is about 1063.2873272636.

Adding to 1202131323 its reverse (3231312021), we get a palindrome (4433443344).

The spelling of 1202131323 in words is "one billion, two hundred two million, one hundred thirty-one thousand, three hundred twenty-three".