23209834 has 8 divisors (see below), whose sum is σ = 34863840. Its totient is φ = 11588556.

The previous prime is 23209819. The next prime is 23209843. The reversal of 23209834 is 43890232.

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

It is a junction number, because it is equal to n+sod(n) for n = 23209796 and 23209805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6324 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (4357980).

Almost surely, 2^23209834 is an apocalyptic number.

23209834 is a deficient number, since it is larger than the sum of its proper divisors (11654006).

23209834 is a wasteful number, since it uses less digits than its factorization.

23209834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16364.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23209834 is about 4817.6585599231. The cubic root of 23209834 is about 285.2489217484.

The spelling of 23209834 in words is "twenty-three million, two hundred nine thousand, eight hundred thirty-four".