23001221417 has 2 divisors, whose sum is σ = 23001221418. Its totient is φ = 23001221416.

The previous prime is 23001221371. The next prime is 23001221431. The reversal of 23001221417 is 71412210032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22541719321 + 459502096 = 150139^2 + 21436^2 .

It is a cyclic number.

It is not a de Polignac number, because 23001221417 - 2¹⁴ = 23001205033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23001221392 and 23001221401.

It is not a weakly prime, because it can be changed into another prime (23001221317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500610708 + 11500610709.

It is an arithmetic number, because the mean of its divisors is an integer number (11500610709).

Almost surely, 2^23001221417 is an apocalyptic number.

It is an amenable number.

23001221417 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001221417 is an equidigital number, since it uses as much as digits as its factorization.

23001221417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 23001221417 its reverse (71412210032), we get a palindrome (94413431449).

The spelling of 23001221417 in words is "twenty-three billion, one million, two hundred twenty-one thousand, four hundred seventeen".