30134923 has 8 divisors (see below), whose sum is σ = 37089248. Its totient is φ = 23842944.

The previous prime is 30134917. The next prime is 30134933. The reversal of 30134923 is 32943103.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30134923 - 2⁵ = 30134891 is a prime.

It is a super-2 number, since 2×30134923² = 1816227168431858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30134933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165486 + ... + 165667.

It is an arithmetic number, because the mean of its divisors is an integer number (4636156).

Almost surely, 2^30134923 is an apocalyptic number.

30134923 is a deficient number, since it is larger than the sum of its proper divisors (6954325).

30134923 is a wasteful number, since it uses less digits than its factorization.

30134923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331173.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30134923 is about 5489.5284861270. The cubic root of 30134923 is about 311.1883730399.

The spelling of 30134923 in words is "thirty million, one hundred thirty-four thousand, nine hundred twenty-three".