30634123 has 12 divisors (see below), whose sum is σ = 33496320. Its totient is φ = 28001376.

The previous prime is 30634049. The next prime is 30634127. The reversal of 30634123 is 32143603.

It is not a de Polignac number, because 30634123 - 2²¹ = 28536971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30634094 and 30634103.

It is not an unprimeable number, because it can be changed into a prime (30634127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17590 + ... + 19252.

It is an arithmetic number, because the mean of its divisors is an integer number (2791360).

Almost surely, 2^30634123 is an apocalyptic number.

30634123 is a deficient number, since it is larger than the sum of its proper divisors (2862197).

30634123 is a wasteful number, since it uses less digits than its factorization.

30634123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 30634123 is about 5534.8101141774. The cubic root of 30634123 is about 312.8973011783.

Adding to 30634123 its reverse (32143603), we get a palindrome (62777726).

The spelling of 30634123 in words is "thirty million, six hundred thirty-four thousand, one hundred twenty-three".