23261317 has 4 divisors (see below), whose sum is σ = 23383296. Its totient is φ = 23139340.

The previous prime is 23261311. The next prime is 23261341. The reversal of 23261317 is 71316232.

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 not a de Polignac number, because 23261317 - 2¹⁵ = 23228549 is a prime.

It is a super-4 number, since 4×23261317⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23261291 and 23261300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261311) 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, 60703 + ... + 61084.

It is an arithmetic number, because the mean of its divisors is an integer number (5845824).

Almost surely, 2^23261317 is an apocalyptic number.

It is an amenable number.

23261317 is a deficient number, since it is larger than the sum of its proper divisors (121979).

23261317 is a wasteful number, since it uses less digits than its factorization.

23261317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121978.

The product of its digits is 1512, while the sum is 25.

The square root of 23261317 is about 4822.9987559609. The cubic root of 23261317 is about 285.4596747333.

Adding to 23261317 its reverse (71316232), we get a palindrome (94577549).

It can be divided in two parts, 23261 and 317, that multiplied together give a palindrome (7373737).

The spelling of 23261317 in words is "twenty-three million, two hundred sixty-one thousand, three hundred seventeen".