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23901 = 331257
BaseRepresentation
bin101110101011101
31012210020
411311131
51231101
6302353
7126453
oct56535
935706
1023901
1116a59
12119b9
13ab57
1489d3
157136
hex5d5d

23901 has 8 divisors (see below), whose sum is σ = 33024. Its totient is φ = 15360.

The previous prime is 23899. The next prime is 23909. The reversal of 23901 is 10932.

23901 is nontrivially palindromic in base 2.

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

It is not a de Polignac number, because 23901 - 21 = 23899 is a prime.

23901 is an undulating number in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23909) 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, 36 + ... + 221.

It is an arithmetic number, because the mean of its divisors is an integer number (4128).

223901 is an apocalyptic number.

It is an amenable number.

23901 is a deficient number, since it is larger than the sum of its proper divisors (9123).

23901 is a wasteful number, since it uses less digits than its factorization.

23901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 23901 is about 154.5994825347. The cubic root of 23901 is about 28.8052748826.

The spelling of 23901 in words is "twenty-three thousand, nine hundred one".

Divisors: 1 3 31 93 257 771 7967 23901