30423416 has 16 divisors (see below), whose sum is σ = 57429000. Its totient is φ = 15109024.

The previous prime is 30423413. The next prime is 30423473. The reversal of 30423416 is 61432403.

It is a happy number.

It is a super-2 number, since 2×30423416² = 1851168482218112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30423391 and 30423400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423413) 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, 11570 + ... + 13953.

Almost surely, 2^30423416 is an apocalyptic number.

It is an amenable number.

30423416 is a deficient number, since it is larger than the sum of its proper divisors (27005584).

30423416 is a wasteful number, since it uses less digits than its factorization.

30423416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25678 (or 25674 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 30423416 is about 5515.7425610701. The cubic root of 30423416 is about 312.1782621449.

Adding to 30423416 its reverse (61432403), we get a palindrome (91855819).

The spelling of 30423416 in words is "thirty million, four hundred twenty-three thousand, four hundred sixteen".