23939135 has 8 divisors (see below), whose sum is σ = 31338576. Its totient is φ = 17410240.

The previous prime is 23939101. The next prime is 23939143. The reversal of 23939135 is 53193932.

It is a happy number.

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

It is not a de Polignac number, because 23939135 - 2¹² = 23935039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23939095 and 23939104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217574 + ... + 217683.

It is an arithmetic number, because the mean of its divisors is an integer number (3917322).

Almost surely, 2^23939135 is an apocalyptic number.

23939135 is a deficient number, since it is larger than the sum of its proper divisors (7399441).

23939135 is a wasteful number, since it uses less digits than its factorization.

23939135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435273.

The product of its digits is 21870, while the sum is 35.

The square root of 23939135 is about 4892.7635340368. The cubic root of 23939135 is about 288.2058673072.

The spelling of 23939135 in words is "twenty-three million, nine hundred thirty-nine thousand, one hundred thirty-five".