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23022423 = 322558047
BaseRepresentation
bin101011111010…
…0101101010111
31121022122211100
41113310231113
521343204143
62141241143
7366454524
oct127645527
947278740
1023022423
1111aa50a6
1278631b3
134a01048
1430b414b
15204b6d3
hex15f4b57

23022423 has 6 divisors (see below), whose sum is σ = 33254624. Its totient is φ = 15348276.

The previous prime is 23022413. The next prime is 23022463. The reversal of 23022423 is 32422032.

It is not a de Polignac number, because 23022423 - 24 = 23022407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23022396 and 23022405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279015 + ... + 1279032.

Almost surely, 223022423 is an apocalyptic number.

23022423 is a deficient number, since it is larger than the sum of its proper divisors (10232201).

23022423 is a wasteful number, since it uses less digits than its factorization.

23022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558053 (or 2558050 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 23022423 is about 4798.1687131655. The cubic root of 23022423 is about 284.4790854022.

Adding to 23022423 its reverse (32422032), we get a palindrome (55444455).

The spelling of 23022423 in words is "twenty-three million, twenty-two thousand, four hundred twenty-three".

Divisors: 1 3 9 2558047 7674141 23022423