23449761 has 6 divisors (see below), whose sum is σ = 33871890. Its totient is φ = 15633168.

The previous prime is 23449753. The next prime is 23449771. The reversal of 23449761 is 16794432.

It can be written as a sum of positive squares in only one way, i.e., 22896225 + 553536 = 4785^2 + 744^2 .

It is not a de Polignac number, because 23449761 - 2³ = 23449753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23449771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1302756 + ... + 1302773.

It is an arithmetic number, because the mean of its divisors is an integer number (5645315).

Almost surely, 2^23449761 is an apocalyptic number.

It is an amenable number.

23449761 is a deficient number, since it is larger than the sum of its proper divisors (10422129).

23449761 is a wasteful number, since it uses less digits than its factorization.

23449761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605535 (or 2605532 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23449761 is about 4842.4953278243. The cubic root of 23449761 is about 286.2284553746.

The spelling of 23449761 in words is "twenty-three million, four hundred forty-nine thousand, seven hundred sixty-one".