1202312223 has 12 divisors (see below), whose sum is σ = 1984769488. Its totient is φ = 687035520.

The previous prime is 1202312219. The next prime is 1202312227. The reversal of 1202312223 is 3222132021.

It is an interprime number because it is at equal distance from previous prime (1202312219) and next prime (1202312227).

It is not a de Polignac number, because 1202312223 - 2² = 1202312219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202312196 and 1202312205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202312227) 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 11 ways as a sum of consecutive naturals, for example, 9542098 + ... + 9542223.

Almost surely, 2^1202312223 is an apocalyptic number.

1202312223 is a deficient number, since it is larger than the sum of its proper divisors (782457265).

1202312223 is a wasteful number, since it uses less digits than its factorization.

1202312223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19084334 (or 19084331 counting only the distinct ones).

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

The square root of 1202312223 is about 34674.3741544098. The cubic root of 1202312223 is about 1063.3406600474.

Adding to 1202312223 its reverse (3222132021), we get a palindrome (4424444244).

It can be divided in two parts, 120231222 and 3, that added together give a square (120231225 = 10965²).

The spelling of 1202312223 in words is "one billion, two hundred two million, three hundred twelve thousand, two hundred twenty-three".