1223075372 has 12 divisors (see below), whose sum is σ = 2253033720. Its totient is φ = 579351456.

The previous prime is 1223075363. The next prime is 1223075383. The reversal of 1223075372 is 2735703221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8046473 + ... + 8046624.

It is an arithmetic number, because the mean of its divisors is an integer number (187752810).

Almost surely, 2^1223075372 is an apocalyptic number.

It is an amenable number.

1223075372 is a deficient number, since it is larger than the sum of its proper divisors (1029958348).

1223075372 is a wasteful number, since it uses less digits than its factorization.

1223075372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093120 (or 16093118 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 1223075372 is about 34972.4945063975. The cubic root of 1223075372 is about 1069.4268255190.

Adding to 1223075372 its reverse (2735703221), we get a palindrome (3958778593).

The spelling of 1223075372 in words is "one billion, two hundred twenty-three million, seventy-five thousand, three hundred seventy-two".