1242033343 has 4 divisors (see below), whose sum is σ = 1242106920. Its totient is φ = 1241959768.

The previous prime is 1242033319. The next prime is 1242033389. The reversal of 1242033343 is 3433302421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1242033343 - 2²⁵ = 1208478911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242033313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568 + ... + 49906.

It is an arithmetic number, because the mean of its divisors is an integer number (310526730).

Almost surely, 2^1242033343 is an apocalyptic number.

1242033343 is a deficient number, since it is larger than the sum of its proper divisors (73577).

1242033343 is an equidigital number, since it uses as much as digits as its factorization.

1242033343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73576.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1242033343 is about 35242.4934276790. The cubic root of 1242033343 is about 1074.9239803463.

Adding to 1242033343 its reverse (3433302421), we get a palindrome (4675335764).

The spelling of 1242033343 in words is "one billion, two hundred forty-two million, thirty-three thousand, three hundred forty-three".