1223045361 has 12 divisors (see below), whose sum is σ = 1791504000. Its totient is φ = 803879160.

The previous prime is 1223045359. The next prime is 1223045393. The reversal of 1223045361 is 1635403221.

1223045361 is a `hidden beast` number, since 122 + 3 + 0 + 4 + 536 + 1 = 666.

It is not a de Polignac number, because 1223045361 - 2¹ = 1223045359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223045321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956361 + ... + 957638.

It is an arithmetic number, because the mean of its divisors is an integer number (149292000).

Almost surely, 2^1223045361 is an apocalyptic number.

It is an amenable number.

1223045361 is a deficient number, since it is larger than the sum of its proper divisors (568458639).

1223045361 is a wasteful number, since it uses less digits than its factorization.

1223045361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914076 (or 1914073 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1223045361 is about 34972.0654380035. The cubic root of 1223045361 is about 1069.4180784890.

Adding to 1223045361 its reverse (1635403221), we get a palindrome (2858448582).

The spelling of 1223045361 in words is "one billion, two hundred twenty-three million, forty-five thousand, three hundred sixty-one".