23117426 has 4 divisors (see below), whose sum is σ = 34676142. Its totient is φ = 11558712.

The previous prime is 23117417. The next prime is 23117431. The reversal of 23117426 is 62471132.

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

It can be written as a sum of positive squares in only one way, i.e., 23030401 + 87025 = 4799^2 + 295^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23117395 and 23117404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5779355 + ... + 5779358.

Almost surely, 2^23117426 is an apocalyptic number.

23117426 is a deficient number, since it is larger than the sum of its proper divisors (11558716).

23117426 is a wasteful number, since it uses less digits than its factorization.

23117426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558715.

The product of its digits is 2016, while the sum is 26.

The square root of 23117426 is about 4808.0584439044. The cubic root of 23117426 is about 284.8698533706.

Adding to 23117426 its reverse (62471132), we get a palindrome (85588558).

The spelling of 23117426 in words is "twenty-three million, one hundred seventeen thousand, four hundred twenty-six".