30123078142 has 8 divisors (see below), whose sum is σ = 45187524936. Its totient is φ = 15060569832.

The previous prime is 30123078137. The next prime is 30123078151. The reversal of 30123078142 is 24187032103.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445128 + ... + 508315.

It is an arithmetic number, because the mean of its divisors is an integer number (5648440617).

Almost surely, 2^30123078142 is an apocalyptic number.

30123078142 is a deficient number, since it is larger than the sum of its proper divisors (15064446794).

30123078142 is a wasteful number, since it uses less digits than its factorization.

30123078142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969242.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 30123078142 in words is "thirty billion, one hundred twenty-three million, seventy-eight thousand, one hundred forty-two".