23113201 has 2 divisors, whose sum is σ = 23113202. Its totient is φ = 23113200.

The previous prime is 23113193. The next prime is 23113219. The reversal of 23113201 is 10231132.

23113201 = 3399² + 3400².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 11553201 = 3400^2 + 3399^2 .

It is a cyclic number.

It is not a de Polignac number, because 23113201 - 2³ = 23113193 is a prime.

It is not a weakly prime, because it can be changed into another prime (23113241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556600 + 11556601.

It is an arithmetic number, because the mean of its divisors is an integer number (11556601).

Almost surely, 2^23113201 is an apocalyptic number.

23113201 is the 3400-th centered square number.

It is an amenable number.

23113201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113201 is an equidigital number, since it uses as much as digits as its factorization.

23113201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23113201 is about 4807.6190572881. The cubic root of 23113201 is about 284.8524977985.

Adding to 23113201 its reverse (10231132), we get a palindrome (33344333).

The spelling of 23113201 in words is "twenty-three million, one hundred thirteen thousand, two hundred one".