23045761 has 8 divisors (see below), whose sum is σ = 24627240. Its totient is φ = 21489408.

The previous prime is 23045753. The next prime is 23045777. The reversal of 23045761 is 16754032.

It can be written as a sum of positive squares in 4 ways, for example, as 2624400 + 20421361 = 1620^2 + 4519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23045761 - 2³ = 23045753 is a prime.

It is a super-2 number, since 2×23045761² = 1062214200138242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23045791) 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 7 ways as a sum of consecutive naturals, for example, 4366 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (3078405).

Almost surely, 2^23045761 is an apocalyptic number.

It is an amenable number.

23045761 is a deficient number, since it is larger than the sum of its proper divisors (1581479).

23045761 is a wasteful number, since it uses less digits than its factorization.

23045761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12563.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23045761 is about 4800.6000666583. The cubic root of 23045761 is about 284.5751791215.

Adding to 23045761 its reverse (16754032), we get a palindrome (39799793).

The spelling of 23045761 in words is "twenty-three million, forty-five thousand, seven hundred sixty-one".