23135727 has 4 divisors (see below), whose sum is σ = 30847640. Its totient is φ = 15423816.

The previous prime is 23135713. The next prime is 23135737. The reversal of 23135727 is 72753132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23135727 - 2⁷ = 23135599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23135694 and 23135703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135737) 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 3 ways as a sum of consecutive naturals, for example, 3855952 + ... + 3855957.

It is an arithmetic number, because the mean of its divisors is an integer number (7711910).

Almost surely, 2^23135727 is an apocalyptic number.

23135727 is a deficient number, since it is larger than the sum of its proper divisors (7711913).

23135727 is an equidigital number, since it uses as much as digits as its factorization.

23135727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711912.

The product of its digits is 8820, while the sum is 30.

The square root of 23135727 is about 4809.9612264549. The cubic root of 23135727 is about 284.9450063174.

Adding to 23135727 its reverse (72753132), we get a palindrome (95888859).

The spelling of 23135727 in words is "twenty-three million, one hundred thirty-five thousand, seven hundred twenty-seven".