23031413 has 8 divisors (see below), whose sum is σ = 24439320. Its totient is φ = 21629440.

The previous prime is 23031409. The next prime is 23031461. The reversal of 23031413 is 31413032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10609 + 23020804 = 103^2 + 4798^2 .

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

It is not a de Polignac number, because 23031413 - 2² = 23031409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23031391 and 23031400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8483 + ... + 10863.

It is an arithmetic number, because the mean of its divisors is an integer number (3054915).

Almost surely, 2^23031413 is an apocalyptic number.

It is an amenable number.

23031413 is a deficient number, since it is larger than the sum of its proper divisors (1407907).

23031413 is a wasteful number, since it uses less digits than its factorization.

23031413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 23031413 is about 4799.1054374748. The cubic root of 23031413 is about 284.5161092226.

Adding to 23031413 its reverse (31413032), we get a palindrome (54444445).

The spelling of 23031413 in words is "twenty-three million, thirty-one thousand, four hundred thirteen".