23024021 has 2 divisors, whose sum is σ = 23024022. Its totient is φ = 23024020.

The previous prime is 23024009. The next prime is 23024047. The reversal of 23024021 is 12042032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 9991921 = 3610^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 23024021 - 2¹⁴ = 23007637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23023987 and 23024005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23024621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11512010 + 11512011.

It is an arithmetic number, because the mean of its divisors is an integer number (11512011).

Almost surely, 2^23024021 is an apocalyptic number.

It is an amenable number.

23024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23024021 is an equidigital number, since it uses as much as digits as its factorization.

23024021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23024021 is about 4798.3352321404. The cubic root of 23024021 is about 284.4856672038.

Adding to 23024021 its reverse (12042032), we get a palindrome (35066053).

The spelling of 23024021 in words is "twenty-three million, twenty-four thousand, twenty-one".