30023120 has 40 divisors (see below), whose sum is σ = 72216360. Its totient is φ = 11594240.

The previous prime is 30023107. The next prime is 30023137. The reversal of 30023120 is 2132003.

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 23892544 = 2476^2 + 4888^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 4151 + ... + 8790.

It is an arithmetic number, because the mean of its divisors is an integer number (1805409).

Almost surely, 2^30023120 is an apocalyptic number.

It is an amenable number.

30023120 is an abundant number, since it is smaller than the sum of its proper divisors (42193240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30023120 is a wasteful number, since it uses less digits than its factorization.

30023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12983 (or 12977 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30023120 is about 5479.3357261624. The cubic root of 30023120 is about 310.8030514495.

Adding to 30023120 its reverse (2132003), we get a palindrome (32155123).

The spelling of 30023120 in words is "thirty million, twenty-three thousand, one hundred twenty".