23120313 has 8 divisors (see below), whose sum is σ = 32167488. Its totient is φ = 14743344.

The previous prime is 23120311. The next prime is 23120329. The reversal of 23120313 is 31302132.

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

It is not a de Polignac number, because 23120313 - 2¹ = 23120311 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23120292 and 23120301.

It is not an unprimeable number, because it can be changed into a prime (23120311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167470 + ... + 167607.

It is an arithmetic number, because the mean of its divisors is an integer number (4020936).

Almost surely, 2^23120313 is an apocalyptic number.

23120313 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23120313 is a deficient number, since it is larger than the sum of its proper divisors (9047175).

23120313 is a wasteful number, since it uses less digits than its factorization.

23120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335103.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23120313 is about 4808.3586596676. The cubic root of 23120313 is about 284.8817114531.

Adding to 23120313 its reverse (31302132), we get a palindrome (54422445).

The spelling of 23120313 in words is "twenty-three million, one hundred twenty thousand, three hundred thirteen".