30223958 has 8 divisors (see below), whose sum is σ = 45407952. Its totient is φ = 15087976.

The previous prime is 30223957. The next prime is 30223967. The reversal of 30223958 is 85932203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223951) 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, 10385 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (5675994).

Almost surely, 2^30223958 is an apocalyptic number.

30223958 is a deficient number, since it is larger than the sum of its proper divisors (15183994).

30223958 is a wasteful number, since it uses less digits than its factorization.

30223958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24006.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30223958 is about 5497.6320357041. The cubic root of 30223958 is about 311.4945451029.

The spelling of 30223958 in words is "thirty million, two hundred twenty-three thousand, nine hundred fifty-eight".