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23051 = 73789
BaseRepresentation
bin101101000001011
31011121202
411220023
51214201
6254415
7124130
oct55013
934552
1023051
1116356
121140b
13a652
148587
156c6b
hex5a0b

23051 has 8 divisors (see below), whose sum is σ = 27360. Its totient is φ = 19008.

The previous prime is 23041. The next prime is 23053. The reversal of 23051 is 15032.

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

It is a cyclic number.

It is not a de Polignac number, because 23051 - 210 = 22027 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (23053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 303.

It is an arithmetic number, because the mean of its divisors is an integer number (3420).

223051 is an apocalyptic number.

23051 is a deficient number, since it is larger than the sum of its proper divisors (4309).

23051 is an equidigital number, since it uses as much as digits as its factorization.

23051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 23051 is about 151.8255577958. The cubic root of 23051 is about 28.4596741676.

Adding to 23051 its reverse (15032), we get a palindrome (38083).

The spelling of 23051 in words is "twenty-three thousand, fifty-one".

Divisors: 1 7 37 89 259 623 3293 23051