1232456342 has 16 divisors (see below), whose sum is σ = 1993172832. Its totient is φ = 568174080.

The previous prime is 1232456339. The next prime is 1232456363. The reversal of 1232456342 is 2436542321.

It is a junction number, because it is equal to n+sod(n) for n = 1232456299 and 1232456308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 49782.

It is an arithmetic number, because the mean of its divisors is an integer number (124573302).

Almost surely, 2^1232456342 is an apocalyptic number.

1232456342 is a deficient number, since it is larger than the sum of its proper divisors (760716490).

1232456342 is a wasteful number, since it uses less digits than its factorization.

1232456342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54343.

The product of its digits is 34560, while the sum is 32.

The square root of 1232456342 is about 35106.3575723828. The cubic root of 1232456342 is about 1072.1540274660.

Adding to 1232456342 its reverse (2436542321), we get a palindrome (3668998663).

The spelling of 1232456342 in words is "one billion, two hundred thirty-two million, four hundred fifty-six thousand, three hundred forty-two".