23472289 has 2 divisors, whose sum is σ = 23472290. Its totient is φ = 23472288.

The previous prime is 23472287. The next prime is 23472329. The reversal of 23472289 is 98227432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20178064 + 3294225 = 4492^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 23472289 - 2¹ = 23472287 is a prime.

Together with 23472287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23472287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11736144 + 11736145.

It is an arithmetic number, because the mean of its divisors is an integer number (11736145).

Almost surely, 2^23472289 is an apocalyptic number.

It is an amenable number.

23472289 is a deficient number, since it is larger than the sum of its proper divisors (1).

23472289 is an equidigital number, since it uses as much as digits as its factorization.

23472289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 23472289 is about 4844.8208429208. The cubic root of 23472289 is about 286.3200851762.

The spelling of 23472289 in words is "twenty-three million, four hundred seventy-two thousand, two hundred eighty-nine".