23119709 has 8 divisors (see below), whose sum is σ = 23923128. Its totient is φ = 22325760.

The previous prime is 23119693. The next prime is 23119729. The reversal of 23119709 is 90791132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6943225 + 16176484 = 2635^2 + 4022^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23119709 - 2⁴ = 23119693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23119729) 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 7 ways as a sum of consecutive naturals, for example, 2789 + ... + 7349.

It is an arithmetic number, because the mean of its divisors is an integer number (2990391).

Almost surely, 2^23119709 is an apocalyptic number.

It is an amenable number.

23119709 is a deficient number, since it is larger than the sum of its proper divisors (803419).

23119709 is a wasteful number, since it uses less digits than its factorization.

23119709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 23119709 is about 4808.2958519625. The cubic root of 23119709 is about 284.8792306613.

The spelling of 23119709 in words is "twenty-three million, one hundred nineteen thousand, seven hundred nine".