23057761 has 4 divisors (see below), whose sum is σ = 23594032. Its totient is φ = 22521492.

The previous prime is 23057759. The next prime is 23057767. The reversal of 23057761 is 16775032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23057761 - 2¹ = 23057759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23057767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268071 + ... + 268156.

It is an arithmetic number, because the mean of its divisors is an integer number (5898508).

Almost surely, 2^23057761 is an apocalyptic number.

It is an amenable number.

23057761 is a deficient number, since it is larger than the sum of its proper divisors (536271).

23057761 is an equidigital number, since it uses as much as digits as its factorization.

23057761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536270.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 23057761 is about 4801.8497477535. The cubic root of 23057761 is about 284.6245636136.

The spelling of 23057761 in words is "twenty-three million, fifty-seven thousand, seven hundred sixty-one".