30823129 has 8 divisors (see below), whose sum is σ = 31489920. Its totient is φ = 30163536.

The previous prime is 30823127. The next prime is 30823139. The reversal of 30823129 is 92132803.

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 30823129 - 2¹ = 30823127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30823097 and 30823106.

It is not an unprimeable number, because it can be changed into a prime (30823127) 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, 7344 + ... + 10750.

It is an arithmetic number, because the mean of its divisors is an integer number (3936240).

Almost surely, 2^30823129 is an apocalyptic number.

It is an amenable number.

30823129 is a deficient number, since it is larger than the sum of its proper divisors (666791).

30823129 is a wasteful number, since it uses less digits than its factorization.

30823129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30823129 is about 5551.8581574100. The cubic root of 30823129 is about 313.5394854568.

The spelling of 30823129 in words is "thirty million, eight hundred twenty-three thousand, one hundred twenty-nine".