23453161 has 2 divisors, whose sum is σ = 23453162. Its totient is φ = 23453160.

The previous prime is 23453159. The next prime is 23453179. The reversal of 23453161 is 16135432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 230400 = 4819^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 23453161 - 2¹ = 23453159 is a prime.

Together with 23453159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23453461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726580 + 11726581.

It is an arithmetic number, because the mean of its divisors is an integer number (11726581).

Almost surely, 2^23453161 is an apocalyptic number.

It is an amenable number.

23453161 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453161 is an equidigital number, since it uses as much as digits as its factorization.

23453161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 23453161 is about 4842.8463737765. The cubic root of 23453161 is about 286.2422882053.

Adding to 23453161 its reverse (16135432), we get a palindrome (39588593).

The spelling of 23453161 in words is "twenty-three million, four hundred fifty-three thousand, one hundred sixty-one".