30406123642 has 8 divisors (see below), whose sum is σ = 45610723296. Its totient is φ = 15202549212.

The previous prime is 30406123613. The next prime is 30406123651. The reversal of 30406123642 is 24632160403.

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

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, 177288 + ... + 303715.

It is an arithmetic number, because the mean of its divisors is an integer number (5701340412).

Almost surely, 2^30406123642 is an apocalyptic number.

30406123642 is a deficient number, since it is larger than the sum of its proper divisors (15204599654).

30406123642 is a wasteful number, since it uses less digits than its factorization.

30406123642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512612.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 30406123642 in words is "thirty billion, four hundred six million, one hundred twenty-three thousand, six hundred forty-two".