30123002 has 16 divisors (see below), whose sum is σ = 55612032. Its totient is φ = 11916720.

The previous prime is 30123001. The next prime is 30123007. The reversal of 30123002 is 20032103.

It is not an unprimeable number, because it can be changed into a prime (30123001) 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, 82574 + ... + 82937.

It is an arithmetic number, because the mean of its divisors is an integer number (3475752).

Almost surely, 2^30123002 is an apocalyptic number.

30123002 is a deficient number, since it is larger than the sum of its proper divisors (25489030).

30123002 is a wasteful number, since it uses less digits than its factorization.

30123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165533.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30123002 is about 5488.4425841945. The cubic root of 30123002 is about 311.1473335470.

Adding to 30123002 its reverse (20032103), we get a palindrome (50155105).

The spelling of 30123002 in words is "thirty million, one hundred twenty-three thousand, two".