23550223 has 2 divisors, whose sum is σ = 23550224. Its totient is φ = 23550222.

The previous prime is 23550221. The next prime is 23550239. The reversal of 23550223 is 32205532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23550223 - 2¹ = 23550221 is a prime.

It is a super-2 number, since 2×23550223² = 1109226006699458, which contains 22 as substring.

Together with 23550221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23550194 and 23550203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23550221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11775111 + 11775112.

It is an arithmetic number, because the mean of its divisors is an integer number (11775112).

Almost surely, 2^23550223 is an apocalyptic number.

23550223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23550223 is an equidigital number, since it uses as much as digits as its factorization.

23550223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 23550223 is about 4852.8571996299. The cubic root of 23550223 is about 286.6366204012.

Adding to 23550223 its reverse (32205532), we get a palindrome (55755755).

The spelling of 23550223 in words is "twenty-three million, five hundred fifty thousand, two hundred twenty-three".