1223345104 has 20 divisors (see below), whose sum is σ = 2371177476. Its totient is φ = 611428352.

The previous prime is 1223345087. The next prime is 1223345129. The reversal of 1223345104 is 4015433221.

It can be written as a sum of positive squares in 2 ways, for example, as 984704400 + 238640704 = 31380^2 + 15448^2 .

It is a congruent number.

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, 30162 + ... + 57934.

Almost surely, 2^1223345104 is an apocalyptic number.

It is an amenable number.

1223345104 is a deficient number, since it is larger than the sum of its proper divisors (1147832372).

1223345104 is a wasteful number, since it uses less digits than its factorization.

1223345104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30534 (or 30528 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1223345104 is about 34976.3506386816. The cubic root of 1223345104 is about 1069.5054354016.

Adding to 1223345104 its reverse (4015433221), we get a palindrome (5238778325).

The spelling of 1223345104 in words is "one billion, two hundred twenty-three million, three hundred forty-five thousand, one hundred four".