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23056573 = 171356269
BaseRepresentation
bin101011111110…
…1000010111101
31121101101200011
41113331002331
521400302243
62142103221
7366656221
oct127750275
947341604
1023056573
1112018821
12787ab11
134a13757
1430c2781
15205689d
hex15fd0bd

23056573 has 4 divisors (see below), whose sum is σ = 24412860. Its totient is φ = 21700288.

The previous prime is 23056571. The next prime is 23056613. The reversal of 23056573 is 37565032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13089924 + 9966649 = 3618^2 + 3157^2 .

It is a cyclic number.

It is not a de Polignac number, because 23056573 - 21 = 23056571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23056571) 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, 678118 + ... + 678151.

It is an arithmetic number, because the mean of its divisors is an integer number (6103215).

Almost surely, 223056573 is an apocalyptic number.

It is an amenable number.

23056573 is a deficient number, since it is larger than the sum of its proper divisors (1356287).

23056573 is a wasteful number, since it uses less digits than its factorization.

23056573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356286.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 23056573 is about 4801.7260438305. The cubic root of 23056573 is about 284.6196753132.

The spelling of 23056573 in words is "twenty-three million, fifty-six thousand, five hundred seventy-three".

Divisors: 1 17 1356269 23056573