123340324542 has 8 divisors (see below), whose sum is σ = 246680649096. Its totient is φ = 41113441512.

The previous prime is 123340324493. The next prime is 123340324543. The reversal of 123340324542 is 245423043321.

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

123340324542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340324543) 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, 10278360373 + ... + 10278360384.

It is an arithmetic number, because the mean of its divisors is an integer number (30835081137).

Almost surely, 2^123340324542 is an apocalyptic number.

123340324542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123340324542 is a wasteful number, since it uses less digits than its factorization.

123340324542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20556720762.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 123340324542 its reverse (245423043321), we get a palindrome (368763367863).

The spelling of 123340324542 in words is "one hundred twenty-three billion, three hundred forty million, three hundred twenty-four thousand, five hundred forty-two".