1223240524 has 12 divisors (see below), whose sum is σ = 2335277448. Its totient is φ = 556018400.

The previous prime is 1223240497. The next prime is 1223240549. The reversal of 1223240524 is 4250423221.

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, 13900417 + ... + 13900504.

It is an arithmetic number, because the mean of its divisors is an integer number (194606454).

Almost surely, 2^1223240524 is an apocalyptic number.

It is an amenable number.

1223240524 is a deficient number, since it is larger than the sum of its proper divisors (1112036924).

1223240524 is a wasteful number, since it uses less digits than its factorization.

1223240524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27800936 (or 27800934 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1223240524 is about 34974.8555965568. The cubic root of 1223240524 is about 1069.4749582927.

Adding to 1223240524 its reverse (4250423221), we get a palindrome (5473663745).

The spelling of 1223240524 in words is "one billion, two hundred twenty-three million, two hundred forty thousand, five hundred twenty-four".