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23135 = 57661
BaseRepresentation
bin101101001011111
31011201212
411221133
51220020
6255035
7124310
oct55137
934655
1023135
1116422
121147b
13a6b8
148607
156cc5
hex5a5f

23135 has 8 divisors (see below), whose sum is σ = 31776. Its totient is φ = 15840.

The previous prime is 23131. The next prime is 23143. The reversal of 23135 is 53132.

Adding to 23135 its reverse (53132), we get a palindrome (76267).

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

It is not a de Polignac number, because 23135 - 22 = 23131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131) 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, 296 + ... + 365.

It is an arithmetic number, because the mean of its divisors is an integer number (3972).

223135 is an apocalyptic number.

23135 is a deficient number, since it is larger than the sum of its proper divisors (8641).

23135 is an equidigital number, since it uses as much as digits as its factorization.

23135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its digits is 90, while the sum is 14.

The square root of 23135 is about 152.1019395011. The cubic root of 23135 is about 28.4942021652.

The spelling of 23135 in words is "twenty-three thousand, one hundred thirty-five".

Divisors: 1 5 7 35 661 3305 4627 23135