30523042 has 16 divisors (see below), whose sum is σ = 50652864. Its totient is φ = 13678000.

The previous prime is 30523037. The next prime is 30523061. The reversal of 30523042 is 24032503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8209 + ... + 11332.

It is an arithmetic number, because the mean of its divisors is an integer number (3165804).

Almost surely, 2^30523042 is an apocalyptic number.

30523042 is a deficient number, since it is larger than the sum of its proper divisors (20129822).

30523042 is a wasteful number, since it uses less digits than its factorization.

30523042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19625.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30523042 is about 5524.7662393987. The cubic root of 30523042 is about 312.5186489137.

Adding to 30523042 its reverse (24032503), we get a palindrome (54555545).

The spelling of 30523042 in words is "thirty million, five hundred twenty-three thousand, forty-two".