30425123 has 4 divisors (see below), whose sum is σ = 31132728. Its totient is φ = 29717520.

The previous prime is 30425111. The next prime is 30425149. The reversal of 30425123 is 32152403.

It is a happy number.

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 30425123 - 2¹⁰ = 30424099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30425095 and 30425104.

It is not an unprimeable number, because it can be changed into a prime (30425173) 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, 353738 + ... + 353823.

It is an arithmetic number, because the mean of its divisors is an integer number (7783182).

Almost surely, 2^30425123 is an apocalyptic number.

30425123 is a deficient number, since it is larger than the sum of its proper divisors (707605).

30425123 is an equidigital number, since it uses as much as digits as its factorization.

30425123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707604.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30425123 is about 5515.8972978111. The cubic root of 30425123 is about 312.1841006118.

Adding to 30425123 its reverse (32152403), we get a palindrome (62577526).

The spelling of 30425123 in words is "thirty million, four hundred twenty-five thousand, one hundred twenty-three".