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23131063 = 131176573
BaseRepresentation
bin101100000111…
…1001110110111
31121112011212001
41120033032313
521410143223
62143440131
7400416334
oct130171667
947464761
1023131063
111206978a
1278b6047
134a3b627
14310198b
15206d9ad
hex160f3b7

23131063 has 4 divisors (see below), whose sum is σ = 23307768. Its totient is φ = 22954360.

The previous prime is 23131057. The next prime is 23131079. The reversal of 23131063 is 36013132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23131063 - 213 = 23122871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23131063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88156 + ... + 88417.

It is an arithmetic number, because the mean of its divisors is an integer number (5826942).

Almost surely, 223131063 is an apocalyptic number.

23131063 is a deficient number, since it is larger than the sum of its proper divisors (176705).

23131063 is a wasteful number, since it uses less digits than its factorization.

23131063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176704.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23131063 is about 4809.4763748250. The cubic root of 23131063 is about 284.9258573935.

Adding to 23131063 its reverse (36013132), we get a palindrome (59144195).

The spelling of 23131063 in words is "twenty-three million, one hundred thirty-one thousand, sixty-three".

Divisors: 1 131 176573 23131063