1223231104 has 16 divisors (see below), whose sum is σ = 2436905970. Its totient is φ = 611615488.

The previous prime is 1223231101. The next prime is 1223231131. The reversal of 1223231104 is 4011323221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1073217600 + 150013504 = 32760^2 + 12248^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (1223231101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4778119 + ... + 4778374.

Almost surely, 2^1223231104 is an apocalyptic number.

It is an amenable number.

1223231104 is a deficient number, since it is larger than the sum of its proper divisors (1213674866).

1223231104 is an frugal number, since it uses more digits than its factorization.

1223231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9556507 (or 9556495 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1223231104 is about 34974.7209281218. The cubic root of 1223231104 is about 1069.4722129945.

Adding to 1223231104 its reverse (4011323221), we get a palindrome (5234554325).

The spelling of 1223231104 in words is "one billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred four".