23981201 has 2 divisors, whose sum is σ = 23981202. Its totient is φ = 23981200.

The previous prime is 23981183. The next prime is 23981207. The reversal of 23981201 is 10218932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17850625 + 6130576 = 4225^2 + 2476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23981201 is a prime.

It is not a weakly prime, because it can be changed into another prime (23981207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11990600 + 11990601.

It is an arithmetic number, because the mean of its divisors is an integer number (11990601).

Almost surely, 2^23981201 is an apocalyptic number.

It is an amenable number.

23981201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23981201 is an equidigital number, since it uses as much as digits as its factorization.

23981201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 23981201 is about 4897.0604447975. The cubic root of 23981201 is about 288.3745809175.

The spelling of 23981201 in words is "twenty-three million, nine hundred eighty-one thousand, two hundred one".