30120673623 has 16 divisors (see below), whose sum is σ = 41468086272. Its totient is φ = 19427220000.

The previous prime is 30120673621. The next prime is 30120673633. The reversal of 30120673623 is 32637602103.

It is not a de Polignac number, because 30120673623 - 2¹ = 30120673621 is a prime.

It is a super-2 number, since 2×30120673623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120673621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300438 + ... + 387948.

It is an arithmetic number, because the mean of its divisors is an integer number (2591755392).

Almost surely, 2^30120673623 is an apocalyptic number.

30120673623 is a deficient number, since it is larger than the sum of its proper divisors (11347412649).

30120673623 is a wasteful number, since it uses less digits than its factorization.

30120673623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91246.

The product of its (nonzero) digits is 27216, while the sum is 33.

The spelling of 30120673623 in words is "thirty billion, one hundred twenty million, six hundred seventy-three thousand, six hundred twenty-three".