23869007221 has 2 divisors, whose sum is σ = 23869007222. Its totient is φ = 23869007220.

The previous prime is 23869007191. The next prime is 23869007237. The reversal of 23869007221 is 12270096832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22796772196 + 1072235025 = 150986^2 + 32745^2 .

It is a cyclic number.

It is not a de Polignac number, because 23869007221 - 2⁷ = 23869007093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23869007251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11934503610 + 11934503611.

It is an arithmetic number, because the mean of its divisors is an integer number (11934503611).

Almost surely, 2^23869007221 is an apocalyptic number.

It is an amenable number.

23869007221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23869007221 is an equidigital number, since it uses as much as digits as its factorization.

23869007221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 23869007221 in words is "twenty-three billion, eight hundred sixty-nine million, seven thousand, two hundred twenty-one".