23142211 has 2 divisors, whose sum is σ = 23142212. Its totient is φ = 23142210.

The previous prime is 23142193. The next prime is 23142239. The reversal of 23142211 is 11224132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23142211 - 2⁵ = 23142179 is a prime.

It is not a weakly prime, because it can be changed into another prime (23142011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571105 + 11571106.

It is an arithmetic number, because the mean of its divisors is an integer number (11571106).

Almost surely, 2^23142211 is an apocalyptic number.

23142211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23142211 is an equidigital number, since it uses as much as digits as its factorization.

23142211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96, while the sum is 16.

The square root of 23142211 is about 4810.6351971439. The cubic root of 23142211 is about 284.9716233161.

Adding to 23142211 its reverse (11224132), we get a palindrome (34366343).

The spelling of 23142211 in words is "twenty-three million, one hundred forty-two thousand, two hundred eleven".