123000342 has 16 divisors (see below), whose sum is σ = 249673152. Its totient is φ = 40388040.

The previous prime is 123000341. The next prime is 123000349. The reversal of 123000342 is 243000321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152584 + ... + 153387.

It is an arithmetic number, because the mean of its divisors is an integer number (15604572).

Almost surely, 2^123000342 is an apocalyptic number.

123000342 is an abundant number, since it is smaller than the sum of its proper divisors (126672810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123000342 is a wasteful number, since it uses less digits than its factorization.

123000342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306043.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123000342 is about 11090.5519249495. The cubic root of 123000342 is about 497.3194442562.

Adding to 123000342 its reverse (243000321), we get a palindrome (366000663).

The spelling of 123000342 in words is "one hundred twenty-three million, three hundred forty-two", and thus it is an aban number.