23162210251 has 2 divisors, whose sum is σ = 23162210252. Its totient is φ = 23162210250.

The previous prime is 23162210207. The next prime is 23162210311. The reversal of 23162210251 is 15201226132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23162210251 - 2¹¹ = 23162208203 is a prime.

It is not a weakly prime, because it can be changed into another prime (23162210551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11581105125 + 11581105126.

It is an arithmetic number, because the mean of its divisors is an integer number (11581105126).

Almost surely, 2^23162210251 is an apocalyptic number.

23162210251 is a deficient number, since it is larger than the sum of its proper divisors (1).

23162210251 is an equidigital number, since it uses as much as digits as its factorization.

23162210251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 23162210251 its reverse (15201226132), we get a palindrome (38363436383).

The spelling of 23162210251 in words is "twenty-three billion, one hundred sixty-two million, two hundred ten thousand, two hundred fifty-one".