1223527804 has 12 divisors (see below), whose sum is σ = 2155545000. Its totient is φ = 607657808.

The previous prime is 1223527801. The next prime is 1223527807. The reversal of 1223527804 is 4087253221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1223527801) and next prime (1223527807).

It is a super-2 number, since 2×1223527804² = 2994040574322124832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1223527804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223527801) 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, 1025854 + ... + 1027045.

It is an arithmetic number, because the mean of its divisors is an integer number (179628750).

Almost surely, 2^1223527804 is an apocalyptic number.

It is an amenable number.

1223527804 is a deficient number, since it is larger than the sum of its proper divisors (932017196).

1223527804 is a wasteful number, since it uses less digits than its factorization.

1223527804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053052 (or 2053050 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1223527804 is about 34978.9623059347. The cubic root of 1223527804 is about 1069.5586743761.

The spelling of 1223527804 in words is "one billion, two hundred twenty-three million, five hundred twenty-seven thousand, eight hundred four".