30146823 has 48 divisors (see below), whose sum is σ = 53114880. Its totient is φ = 16726176.

The previous prime is 30146821. The next prime is 30146833. The reversal of 30146823 is 32864103.

It is a happy number.

It is not a de Polignac number, because 30146823 - 2¹ = 30146821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62698 + ... + 63176.

It is an arithmetic number, because the mean of its divisors is an integer number (1106560).

Almost surely, 2^30146823 is an apocalyptic number.

30146823 is a deficient number, since it is larger than the sum of its proper divisors (22968057).

30146823 is an equidigital number, since it uses as much as digits as its factorization.

30146823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30146823 is about 5490.6122609414. The cubic root of 30146823 is about 311.2293294445.

The spelling of 30146823 in words is "thirty million, one hundred forty-six thousand, eight hundred twenty-three".