30081940623 has 40 divisors (see below), whose sum is σ = 54377829792. Its totient is φ = 16178517504.

The previous prime is 30081940591. The next prime is 30081940643. The reversal of 30081940623 is 32604918003.

It is not a de Polignac number, because 30081940623 - 2⁵ = 30081940591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30081940643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1550790 + ... + 1570067.

Almost surely, 2^30081940623 is an apocalyptic number.

30081940623 is a deficient number, since it is larger than the sum of its proper divisors (24295889169).

30081940623 is a wasteful number, since it uses less digits than its factorization.

30081940623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120893 (or 3120884 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 30081940623 in words is "thirty billion, eighty-one million, nine hundred forty thousand, six hundred twenty-three".