23606421 has 8 divisors (see below), whose sum is σ = 33326784. Its totient is φ = 14811840.

The previous prime is 23606419. The next prime is 23606423. The reversal of 23606421 is 12460632.

It is an interprime number because it is at equal distance from previous prime (23606419) and next prime (23606423).

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

It is not a de Polignac number, because 23606421 - 2¹ = 23606419 is a prime.

It is a super-2 number, since 2×23606421² = 1114526224858482, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23606391 and 23606400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23606423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231385 + ... + 231486.

It is an arithmetic number, because the mean of its divisors is an integer number (4165848).

Almost surely, 2^23606421 is an apocalyptic number.

It is an amenable number.

23606421 is a deficient number, since it is larger than the sum of its proper divisors (9720363).

23606421 is a wasteful number, since it uses less digits than its factorization.

23606421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462891.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23606421 is about 4858.6439466172. The cubic root of 23606421 is about 286.8644400212.

The spelling of 23606421 in words is "twenty-three million, six hundred six thousand, four hundred twenty-one".