23397 has 8 divisors (see below), whose sum is σ = 34080. Its totient is φ = 14160.

The previous prime is 23371. The next prime is 23399. The reversal of 23397 is 79332.

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

It is not a de Polignac number, because 23397 - 2⁶ = 23333 is a prime.

It is an Ulam number.

23397 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23399) 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, 322 + ... + 387.

It is an arithmetic number, because the mean of its divisors is an integer number (4260).

2²³³⁹⁷ is an apocalyptic number.

It is an amenable number.

23397 is a deficient number, since it is larger than the sum of its proper divisors (10683).

23397 is a wasteful number, since it uses less digits than its factorization.

23397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 1134, while the sum is 24.

The square root of 23397 is about 152.9607792867. The cubic root of 23397 is about 28.6013626749.

Adding to 23397 its product of digits (1134), we get a triangular number (24531 = T₂₂₁).

It can be divided in two parts, 2339 and 7, that added together give a triangular number (2346 = T₆₈).

The spelling of 23397 in words is "twenty-three thousand, three hundred ninety-seven".