23120413 has 4 divisors (see below), whose sum is σ = 23137920. Its totient is φ = 23102908.

The previous prime is 23120401. The next prime is 23120423. The reversal of 23120413 is 31402132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23120413 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 (23120423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6595 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (5784480).

Almost surely, 2^23120413 is an apocalyptic number.

It is an amenable number.

23120413 is a deficient number, since it is larger than the sum of its proper divisors (17507).

23120413 is a wasteful number, since it uses less digits than its factorization.

23120413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23120413 is about 4808.3690582151. The cubic root of 23120413 is about 284.8821221761.

Adding to 23120413 its reverse (31402132), we get a palindrome (54522545).

The spelling of 23120413 in words is "twenty-three million, one hundred twenty thousand, four hundred thirteen".