30423388 has 12 divisors (see below), whose sum is σ = 55555920. Its totient is φ = 14550272.

The previous prime is 30423383. The next prime is 30423391. The reversal of 30423388 is 88332403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423383) 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, 165253 + ... + 165436.

It is an arithmetic number, because the mean of its divisors is an integer number (4629660).

Almost surely, 2^30423388 is an apocalyptic number.

It is an amenable number.

30423388 is a deficient number, since it is larger than the sum of its proper divisors (25132532).

30423388 is a wasteful number, since it uses less digits than its factorization.

30423388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330716 (or 330714 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 30423388 is about 5515.7400228800. The cubic root of 30423388 is about 312.1781663744.

The spelling of 30423388 in words is "thirty million, four hundred twenty-three thousand, three hundred eighty-eight".