23553427 has 2 divisors, whose sum is σ = 23553428. Its totient is φ = 23553426.

The previous prime is 23553419. The next prime is 23553461. The reversal of 23553427 is 72435532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23553427 - 2³ = 23553419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23553487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11776713 + 11776714.

It is an arithmetic number, because the mean of its divisors is an integer number (11776714).

Almost surely, 2^23553427 is an apocalyptic number.

23553427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23553427 is an equidigital number, since it uses as much as digits as its factorization.

23553427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 23553427 is about 4853.1873032060. The cubic root of 23553427 is about 286.6496187506.

Adding to 23553427 its reverse (72435532), we get a palindrome (95988959).

The spelling of 23553427 in words is "twenty-three million, five hundred fifty-three thousand, four hundred twenty-seven".