30132123 has 16 divisors (see below), whose sum is σ = 46894080. Its totient is φ = 16851456.

The previous prime is 30132103. The next prime is 30132149. The reversal of 30132123 is 32123103.

It is not a de Polignac number, because 30132123 - 2⁸ = 30131867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30132103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14278 + ... + 16251.

It is an arithmetic number, because the mean of its divisors is an integer number (2930880).

Almost surely, 2^30132123 is an apocalyptic number.

30132123 is a deficient number, since it is larger than the sum of its proper divisors (16761957).

30132123 is a wasteful number, since it uses less digits than its factorization.

30132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30586.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30132123 is about 5489.2734491916. The cubic root of 30132123 is about 311.1787346719.

Adding to 30132123 its reverse (32123103), we get a palindrome (62255226).

The spelling of 30132123 in words is "thirty million, one hundred thirty-two thousand, one hundred twenty-three".