1242113323 has 16 divisors (see below), whose sum is σ = 1380292992. Its totient is φ = 1108296000.

The previous prime is 1242113317. The next prime is 1242113339. The reversal of 1242113323 is 3233112421.

It is a cyclic number.

It is not a de Polignac number, because 1242113323 - 2⁵ = 1242113291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242113294 and 1242113303.

It is not an unprimeable number, because it can be changed into a prime (1242113303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165768 + ... + 173098.

It is an arithmetic number, because the mean of its divisors is an integer number (86268312).

Almost surely, 2^1242113323 is an apocalyptic number.

1242113323 is a deficient number, since it is larger than the sum of its proper divisors (138179669).

1242113323 is a wasteful number, since it uses less digits than its factorization.

1242113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626.

The product of its digits is 864, while the sum is 22.

The square root of 1242113323 is about 35243.6281191367. The cubic root of 1242113323 is about 1074.9470528817.

Adding to 1242113323 its reverse (3233112421), we get a palindrome (4475225744).

The spelling of 1242113323 in words is "one billion, two hundred forty-two million, one hundred thirteen thousand, three hundred twenty-three".