30232123 has 4 divisors (see below), whose sum is σ = 31274640. Its totient is φ = 29189608.

The previous prime is 30232121. The next prime is 30232141. The reversal of 30232123 is 32123203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30232123 - 2¹ = 30232121 is a prime.

It is a super-2 number, since 2×30232123² = 1827962522174258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30232097 and 30232106.

It is not an unprimeable number, because it can be changed into a prime (30232121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521215 + ... + 521272.

It is an arithmetic number, because the mean of its divisors is an integer number (7818660).

Almost surely, 2^30232123 is an apocalyptic number.

30232123 is a deficient number, since it is larger than the sum of its proper divisors (1042517).

30232123 is a wasteful number, since it uses less digits than its factorization.

30232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042516.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30232123 is about 5498.3745780003. The cubic root of 30232123 is about 311.5225926535.

Adding to 30232123 its reverse (32123203), we get a palindrome (62355326).

The spelling of 30232123 in words is "thirty million, two hundred thirty-two thousand, one hundred twenty-three".