21230035 has 8 divisors (see below), whose sum is σ = 26583840. Its totient is φ = 16245504.

The previous prime is 21230023. The next prime is 21230047. The reversal of 21230035 is 53003212.

It is an interprime number because it is at equal distance from previous prime (21230023) and next prime (21230047).

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 21230035 - 2¹³ = 21221843 is a prime.

It is a super-2 number, since 2×21230035² = 901428772202450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92190 + ... + 92419.

It is an arithmetic number, because the mean of its divisors is an integer number (3322980).

Almost surely, 2^21230035 is an apocalyptic number.

21230035 is a deficient number, since it is larger than the sum of its proper divisors (5353805).

21230035 is a wasteful number, since it uses less digits than its factorization.

21230035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184637.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 21230035 is about 4607.6062114725. The cubic root of 21230035 is about 276.8961411261.

Adding to 21230035 its reverse (53003212), we get a palindrome (74233247).

The spelling of 21230035 in words is "twenty-one million, two hundred thirty thousand, thirty-five".