30123064 has 8 divisors (see below), whose sum is σ = 56480760. Its totient is φ = 15061528.

The previous prime is 30123061. The next prime is 30123089. The reversal of 30123064 is 46032103.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882684 + ... + 1882699.

It is an arithmetic number, because the mean of its divisors is an integer number (7060095).

Almost surely, 2^30123064 is an apocalyptic number.

It is an amenable number.

30123064 is a deficient number, since it is larger than the sum of its proper divisors (26357696).

30123064 is a wasteful number, since it uses less digits than its factorization.

30123064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765389 (or 3765385 counting only the distinct ones).

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

The square root of 30123064 is about 5488.4482324242. The cubic root of 30123064 is about 311.1475470176.

Adding to 30123064 its reverse (46032103), we get a palindrome (76155167).

The spelling of 30123064 in words is "thirty million, one hundred twenty-three thousand, sixty-four".