23011801 has 2 divisors, whose sum is σ = 23011802. Its totient is φ = 23011800.

The previous prime is 23011771. The next prime is 23011841. The reversal of 23011801 is 10811032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13395600 + 9616201 = 3660^2 + 3101^2 .

It is a cyclic number.

It is not a de Polignac number, because 23011801 - 2¹⁹ = 22487513 is a prime.

It is not a weakly prime, because it can be changed into another prime (23011841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505900 + 11505901.

It is an arithmetic number, because the mean of its divisors is an integer number (11505901).

Almost surely, 2^23011801 is an apocalyptic number.

It is an amenable number.

23011801 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011801 is an equidigital number, since it uses as much as digits as its factorization.

23011801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 23011801 is about 4797.0617048356. The cubic root of 23011801 is about 284.4353280374.

Adding to 23011801 its reverse (10811032), we get a palindrome (33822833).

The spelling of 23011801 in words is "twenty-three million, eleven thousand, eight hundred one".