1223040411 has 32 divisors (see below), whose sum is σ = 1836195840. Its totient is φ = 804492000.

The previous prime is 1223040407. The next prime is 1223040451. The reversal of 1223040411 is 1140403221.

It is not a de Polignac number, because 1223040411 - 2² = 1223040407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223040451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1043856 + ... + 1045026.

It is an arithmetic number, because the mean of its divisors is an integer number (57381120).

Almost surely, 2^1223040411 is an apocalyptic number.

1223040411 is a deficient number, since it is larger than the sum of its proper divisors (613155429).

1223040411 is a wasteful number, since it uses less digits than its factorization.

1223040411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1223040411 is about 34971.9946671619. The cubic root of 1223040411 is about 1069.4166357443.

Adding to 1223040411 its reverse (1140403221), we get a palindrome (2363443632).

The spelling of 1223040411 in words is "one billion, two hundred twenty-three million, forty thousand, four hundred eleven".