23071457 has 2 divisors, whose sum is σ = 23071458. Its totient is φ = 23071456.

The previous prime is 23071439. The next prime is 23071469. The reversal of 23071457 is 75417032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16394401 + 6677056 = 4049^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 23071457 - 2⁶ = 23071393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23071417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11535728 + 11535729.

It is an arithmetic number, because the mean of its divisors is an integer number (11535729).

Almost surely, 2^23071457 is an apocalyptic number.

It is an amenable number.

23071457 is a deficient number, since it is larger than the sum of its proper divisors (1).

23071457 is an equidigital number, since it uses as much as digits as its factorization.

23071457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 23071457 is about 4803.2756531351. The cubic root of 23071457 is about 284.6809068473.

Adding to 23071457 its reverse (75417032), we get a palindrome (98488489).

The spelling of 23071457 in words is "twenty-three million, seventy-one thousand, four hundred fifty-seven".