23362021 has 2 divisors, whose sum is σ = 23362022. Its totient is φ = 23362020.

The previous prime is 23361991. The next prime is 23362037. The reversal of 23362021 is 12026332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17056900 + 6305121 = 4130^2 + 2511^2 .

It is a cyclic number.

It is not a de Polignac number, because 23362021 - 2¹³ = 23353829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23362021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23362051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11681010 + 11681011.

It is an arithmetic number, because the mean of its divisors is an integer number (11681011).

Almost surely, 2^23362021 is an apocalyptic number.

It is an amenable number.

23362021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23362021 is an equidigital number, since it uses as much as digits as its factorization.

23362021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23362021 is about 4833.4274588536. The cubic root of 23362021 is about 285.8710235602.

Adding to 23362021 its reverse (12026332), we get a palindrome (35388353).

The spelling of 23362021 in words is "twenty-three million, three hundred sixty-two thousand, twenty-one".