30123010 has 16 divisors (see below), whose sum is σ = 55971072. Its totient is φ = 11660400.

The previous prime is 30123007. The next prime is 30123019. The reversal of 30123010 is 1032103.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (30123019) 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, 48276 + ... + 48895.

It is an arithmetic number, because the mean of its divisors is an integer number (3498192).

Almost surely, 2^30123010 is an apocalyptic number.

30123010 is a deficient number, since it is larger than the sum of its proper divisors (25848062).

30123010 is a wasteful number, since it uses less digits than its factorization.

30123010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97209.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30123010 is about 5488.4433129987. The cubic root of 30123010 is about 311.1473610916.

Adding to 30123010 its reverse (1032103), we get a palindrome (31155113).

The spelling of 30123010 in words is "thirty million, one hundred twenty-three thousand, ten".