123433487742 has 8 divisors (see below), whose sum is σ = 246866975496. Its totient is φ = 41144495912.

The previous prime is 123433487729. The next prime is 123433487759. The reversal of 123433487742 is 247784334321.

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

123433487742 is an admirable number.

It is a super-3 number, since 3×123433487742³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123433487691 and 123433487700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10286123973 + ... + 10286123984.

It is an arithmetic number, because the mean of its divisors is an integer number (30858371937).

Almost surely, 2^123433487742 is an apocalyptic number.

123433487742 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.

123433487742 is a wasteful number, since it uses less digits than its factorization.

123433487742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572247962.

The product of its digits is 2709504, while the sum is 48.

The spelling of 123433487742 in words is "one hundred twenty-three billion, four hundred thirty-three million, four hundred eighty-seven thousand, seven hundred forty-two".