30102232123 has 8 divisors (see below), whose sum is σ = 31412769696. Its totient is φ = 28791840000.

The previous prime is 30102232099. The next prime is 30102232151. The reversal of 30102232123 is 32123220103.

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

It is a cyclic number.

It is not a de Polignac number, because 30102232123 - 2⁵ = 30102232091 is a prime.

It is a super-2 number, since 2×30102232123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30102232123.

It is not an unprimeable number, because it can be changed into a prime (30102232183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734473 + ... + 774373.

It is an arithmetic number, because the mean of its divisors is an integer number (3926596212).

Almost surely, 2^30102232123 is an apocalyptic number.

30102232123 is a deficient number, since it is larger than the sum of its proper divisors (1310537573).

30102232123 is a wasteful number, since it uses less digits than its factorization.

30102232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72725.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30102232123 its reverse (32123220103), we get a palindrome (62225452226).

The spelling of 30102232123 in words is "thirty billion, one hundred two million, two hundred thirty-two thousand, one hundred twenty-three".