23153 has 6 divisors (see below), whose sum is σ = 25254. Its totient is φ = 21216.
The previous prime is 23143. The next prime is 23159. The reversal of 23153 is 35132.
It can be written as a sum of positive squares in 3 ways, for example, as 49 + 23104 = 7^2 + 152^2 .
It is not a de Polignac number, because 23153 - 210 = 22129 is a prime.
It is a super-2 number, since 2×231532 = 1072122818, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a nialpdrome in base 13.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 23153.
It is not an unprimeable number, because it can be changed into a prime (23159) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101 + ... + 237.
It is an arithmetic number, because the mean of its divisors is an integer number (4209).
223153 is an apocalyptic number.
It is an amenable number.
23153 is a deficient number, since it is larger than the sum of its proper divisors (2101).
23153 is a wasteful number, since it uses less digits than its factorization.
23153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163 (or 150 counting only the distinct ones).
The product of its digits is 90, while the sum is 14.
The square root of 23153 is about 152.1610988394. The cubic root of 23153 is about 28.5015901442.
Adding to 23153 its reverse (35132), we get a palindrome (58285).
The spelling of 23153 in words is "twenty-three thousand, one hundred fifty-three".
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