30835423 has 4 divisors (see below), whose sum is σ = 32458360. Its totient is φ = 29212488.

The previous prime is 30835369. The next prime is 30835451. The reversal of 30835423 is 32453803.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30835423 - 2¹³ = 30827231 is a prime.

It is a super-3 number, since 3×30835423³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30835391 and 30835400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30835463) 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, 811440 + ... + 811477.

It is an arithmetic number, because the mean of its divisors is an integer number (8114590).

Almost surely, 2^30835423 is an apocalyptic number.

30835423 is a deficient number, since it is larger than the sum of its proper divisors (1622937).

30835423 is a wasteful number, since it uses less digits than its factorization.

30835423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622936.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 30835423 is about 5552.9652439035. The cubic root of 30835423 is about 313.5811656516.

The spelling of 30835423 in words is "thirty million, eight hundred thirty-five thousand, four hundred twenty-three".