23520853 has 2 divisors, whose sum is σ = 23520854. Its totient is φ = 23520852.

The previous prime is 23520811. The next prime is 23520857. The reversal of 23520853 is 35802532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 1034289 = 4742^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 23520853 - 2¹³ = 23512661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23520857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11760426 + 11760427.

It is an arithmetic number, because the mean of its divisors is an integer number (11760427).

Almost surely, 2^23520853 is an apocalyptic number.

It is an amenable number.

23520853 is a deficient number, since it is larger than the sum of its proper divisors (1).

23520853 is an equidigital number, since it uses as much as digits as its factorization.

23520853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 23520853 is about 4849.8302032133. The cubic root of 23520853 is about 286.5174138922.

The spelling of 23520853 in words is "twenty-three million, five hundred twenty thousand, eight hundred fifty-three".