23909134 has 4 divisors (see below), whose sum is σ = 35863704. Its totient is φ = 11954566.

The previous prime is 23909129. The next prime is 23909173. The reversal of 23909134 is 43190932.

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

It is a junction number, because it is equal to n+sod(n) for n = 23909096 and 23909105.

It is a congruent number.

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, 5977282 + ... + 5977285.

It is an arithmetic number, because the mean of its divisors is an integer number (8965926).

Almost surely, 2^23909134 is an apocalyptic number.

23909134 is a deficient number, since it is larger than the sum of its proper divisors (11954570).

23909134 is a wasteful number, since it uses less digits than its factorization.

23909134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11954569.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 23909134 is about 4889.6967186115. The cubic root of 23909134 is about 288.0854218704.

The spelling of 23909134 in words is "twenty-three million, nine hundred nine thousand, one hundred thirty-four".