23529961 has 32 divisors (see below), whose sum is σ = 31539200. Its totient is φ = 17029440.

The previous prime is 23529953. The next prime is 23529973. The reversal of 23529961 is 16992532.

It is a cyclic number.

It is not a de Polignac number, because 23529961 - 2³ = 23529953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23529961.

It is not an unprimeable number, because it can be changed into a prime (23529661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53380 + ... + 53818.

It is an arithmetic number, because the mean of its divisors is an integer number (985600).

Almost surely, 2^23529961 is an apocalyptic number.

It is an amenable number.

23529961 is a deficient number, since it is larger than the sum of its proper divisors (8009239).

23529961 is a wasteful number, since it uses less digits than its factorization.

23529961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 29160, while the sum is 37.

The square root of 23529961 is about 4850.7691142746. The cubic root of 23529961 is about 286.5543919139.

It can be divided in two parts, 23 and 529961, that added together give a square (529984 = 728²).

The spelling of 23529961 in words is "twenty-three million, five hundred twenty-nine thousand, nine hundred sixty-one".