123451342 has 16 divisors (see below), whose sum is σ = 212015232. Its totient is φ = 52811640.

The previous prime is 123451337. The next prime is 123451343. The reversal of 123451342 is 243154321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123451343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 15715.

It is an arithmetic number, because the mean of its divisors is an integer number (13250952).

Almost surely, 2^123451342 is an apocalyptic number.

123451342 is a deficient number, since it is larger than the sum of its proper divisors (88563890).

123451342 is a wasteful number, since it uses less digits than its factorization.

123451342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16023.

The product of its digits is 2880, while the sum is 25.

The square root of 123451342 is about 11110.8659428507. The cubic root of 123451342 is about 497.9265360469.

The spelling of 123451342 in words is "one hundred twenty-three million, four hundred fifty-one thousand, three hundred forty-two".