1230440342 has 12 divisors (see below), whose sum is σ = 1947914316. Its totient is φ = 582839820.

The previous prime is 1230440317. The next prime is 1230440357. The reversal of 1230440342 is 2430440321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851384 + ... + 852827.

It is an arithmetic number, because the mean of its divisors is an integer number (162326193).

Almost surely, 2^1230440342 is an apocalyptic number.

1230440342 is a deficient number, since it is larger than the sum of its proper divisors (717473974).

1230440342 is a wasteful number, since it uses less digits than its factorization.

1230440342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704251 (or 1704232 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1230440342 is about 35077.6330729426. The cubic root of 1230440342 is about 1071.5691136748.

Adding to 1230440342 its reverse (2430440321), we get a palindrome (3660880663).

The spelling of 1230440342 in words is "one billion, two hundred thirty million, four hundred forty thousand, three hundred forty-two".