23571049 has 2 divisors, whose sum is σ = 23571050. Its totient is φ = 23571048.

The previous prime is 23571047. The next prime is 23571101. The reversal of 23571049 is 94017532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22733824 + 837225 = 4768^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 23571049 - 2¹ = 23571047 is a prime.

Together with 23571047, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23571049.

It is not a weakly prime, because it can be changed into another prime (23571047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11785524 + 11785525.

It is an arithmetic number, because the mean of its divisors is an integer number (11785525).

Almost surely, 2^23571049 is an apocalyptic number.

It is an amenable number.

23571049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23571049 is an equidigital number, since it uses as much as digits as its factorization.

23571049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 23571049 is about 4855.0024716781. The cubic root of 23571049 is about 286.7210886100.

The spelling of 23571049 in words is "twenty-three million, five hundred seventy-one thousand, forty-nine".