23141857 has 2 divisors, whose sum is σ = 23141858. Its totient is φ = 23141856.

The previous prime is 23141851. The next prime is 23141861. The reversal of 23141857 is 75814132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 15376 = 4809^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 23141857 - 2³ = 23141849 is a prime.

It is not a weakly prime, because it can be changed into another prime (23141851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11570928 + 11570929.

It is an arithmetic number, because the mean of its divisors is an integer number (11570929).

Almost surely, 2^23141857 is an apocalyptic number.

It is an amenable number.

23141857 is a deficient number, since it is larger than the sum of its proper divisors (1).

23141857 is an equidigital number, since it uses as much as digits as its factorization.

23141857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 23141857 is about 4810.5984035253. The cubic root of 23141857 is about 284.9701702646.

Adding to 23141857 its reverse (75814132), we get a palindrome (98955989).

The spelling of 23141857 in words is "twenty-three million, one hundred forty-one thousand, eight hundred fifty-seven".