30232123002 has 12 divisors (see below), whose sum is σ = 65502933210. Its totient is φ = 10077374328.

The previous prime is 30232122931. The next prime is 30232123081. The reversal of 30232123002 is 20032123203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29800771641 + 431351361 = 172629^2 + 20769^2 .

It is a super-2 number, since 2×30232123002² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1679562389 = 30232123002 / (3 + 0 + 2 + 3 + 2 + 1 + 2 + 3 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839781177 + ... + 839781212.

Almost surely, 2^30232123002 is an apocalyptic number.

30232123002 is an abundant number, since it is smaller than the sum of its proper divisors (35270810208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30232123002 is a wasteful number, since it uses less digits than its factorization.

30232123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679562397 (or 1679562394 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30232123002 its reverse (20032123203), we get a palindrome (50264246205).

The spelling of 30232123002 in words is "thirty billion, two hundred thirty-two million, one hundred twenty-three thousand, two".