1202221323 has 24 divisors (see below), whose sum is σ = 1795946880. Its totient is φ = 774161280.

The previous prime is 1202221301. The next prime is 1202221327. The reversal of 1202221323 is 3231222021.

1202221323 is a `hidden beast` number, since 120 + 2 + 221 + 323 = 666.

It is not a de Polignac number, because 1202221323 - 2⁶ = 1202221259 is a prime.

It is a super-2 number, since 2×1202221323² = 2890672218951740658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1202221296 and 1202221305.

It is not an unprimeable number, because it can be changed into a prime (1202221327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154965 + ... + 162537.

It is an arithmetic number, because the mean of its divisors is an integer number (74831120).

Almost surely, 2^1202221323 is an apocalyptic number.

1202221323 is a deficient number, since it is larger than the sum of its proper divisors (593725557).

1202221323 is a wasteful number, since it uses less digits than its factorization.

1202221323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179 (or 8176 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1202221323 is about 34673.0633633661. The cubic root of 1202221323 is about 1063.3138616556.

Adding to 1202221323 its reverse (3231222021), we get a palindrome (4433443344).

The spelling of 1202221323 in words is "one billion, two hundred two million, two hundred twenty-one thousand, three hundred twenty-three".