1233842342 has 8 divisors (see below), whose sum is σ = 1851918600. Its totient is φ = 616536144.

The previous prime is 1233842341. The next prime is 1233842353. The reversal of 1233842342 is 2432483321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1233842299 and 1233842308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233842341) 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, 188492 + ... + 194927.

It is an arithmetic number, because the mean of its divisors is an integer number (231489825).

Almost surely, 2^1233842342 is an apocalyptic number.

1233842342 is a deficient number, since it is larger than the sum of its proper divisors (618076258).

1233842342 is a wasteful number, since it uses less digits than its factorization.

1233842342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385030.

The product of its digits is 27648, while the sum is 32.

The square root of 1233842342 is about 35126.0920399637. The cubic root of 1233842342 is about 1072.5557857903. Note that the first 3 decimals are identical.

The spelling of 1233842342 in words is "one billion, two hundred thirty-three million, eight hundred forty-two thousand, three hundred forty-two".