23407 has 4 divisors (see below), whose sum is σ = 23760. Its totient is φ = 23056.

The previous prime is 23399. The next prime is 23417. The reversal of 23407 is 70432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23407 - 2³ = 23399 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23417) 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, 43 + ... + 220.

It is an arithmetic number, because the mean of its divisors is an integer number (5940).

2²³⁴⁰⁷ is an apocalyptic number.

23407 is a deficient number, since it is larger than the sum of its proper divisors (353).

23407 is an equidigital number, since it uses as much as digits as its factorization.

23407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 23407 is about 152.9934639127. The cubic root of 23407 is about 28.6054368851.

Adding to 23407 its reverse (70432), we get a palindrome (93839).

The spelling of 23407 in words is "twenty-three thousand, four hundred seven", and thus it is an iban number.