30123395924 has 6 divisors (see below), whose sum is σ = 52715942874. Its totient is φ = 15061697960.

The previous prime is 30123395921. The next prime is 30123395959. The reversal of 30123395924 is 42959332103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30108496324 + 14899600 = 173518^2 + 3860^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123395921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765424487 + ... + 3765424494.

It is an arithmetic number, because the mean of its divisors is an integer number (8785990479).

Almost surely, 2^30123395924 is an apocalyptic number.

It is an amenable number.

30123395924 is a deficient number, since it is larger than the sum of its proper divisors (22592546950).

30123395924 is a wasteful number, since it uses less digits than its factorization.

30123395924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530848985 (or 7530848983 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 30123395924 in words is "thirty billion, one hundred twenty-three million, three hundred ninety-five thousand, nine hundred twenty-four".