1202200023 has 4 divisors (see below), whose sum is σ = 1602933368. Its totient is φ = 801466680.

The previous prime is 1202200003. The next prime is 1202200037. The reversal of 1202200023 is 3200022021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1202200023 - 2¹³ = 1202191831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202199981 and 1202200008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202200003) 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 3 ways as a sum of consecutive naturals, for example, 200366668 + ... + 200366673.

It is an arithmetic number, because the mean of its divisors is an integer number (400733342).

Almost surely, 2^1202200023 is an apocalyptic number.

1202200023 is a deficient number, since it is larger than the sum of its proper divisors (400733345).

1202200023 is an equidigital number, since it uses as much as digits as its factorization.

1202200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400733344.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1202200023 is about 34672.7562071434. The cubic root of 1202200023 is about 1063.3075819691.

Adding to 1202200023 its reverse (3200022021), we get a palindrome (4402222044).

The spelling of 1202200023 in words is "one billion, two hundred two million, two hundred thousand, twenty-three".