23242021 has 8 divisors (see below), whose sum is σ = 26229600. Its totient is φ = 20400240.

The previous prime is 23242001. The next prime is 23242027. The reversal of 23242021 is 12024232.

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 23242021 - 2⁵ = 23241989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23241986 and 23242004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242027) 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, 36111 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (3278700).

Almost surely, 2^23242021 is an apocalyptic number.

It is an amenable number.

23242021 is a deficient number, since it is larger than the sum of its proper divisors (2987579).

23242021 is a wasteful number, since it uses less digits than its factorization.

23242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72899.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23242021 is about 4820.9979257411. The cubic root of 23242021 is about 285.3807202804.

Adding to 23242021 its reverse (12024232), we get a palindrome (35266253).

The spelling of 23242021 in words is "twenty-three million, two hundred forty-two thousand, twenty-one".