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23020424111 = 191211601269
BaseRepresentation
bin10101011100000111…
…111100101110101111
32012102022222201012102
4111130013330232233
5334121212032421
614324143325315
71443316243046
oct253407745657
965368881172
1023020424111
11984347a3a3
1245655b083b
13222b390639
1411854c755d
158eaee660b
hex55c1fcbaf

23020424111 has 4 divisors (see below), whose sum is σ = 24232025400. Its totient is φ = 21808822824.

The previous prime is 23020424107. The next prime is 23020424113. The reversal of 23020424111 is 11142402032.

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 23020424111 - 22 = 23020424107 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 (23020424113) 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, 605800616 + ... + 605800653.

It is an arithmetic number, because the mean of its divisors is an integer number (6058006350).

Almost surely, 223020424111 is an apocalyptic number.

23020424111 is a deficient number, since it is larger than the sum of its proper divisors (1211601289).

23020424111 is a wasteful number, since it uses less digits than its factorization.

23020424111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211601288.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23020424111 its reverse (11142402032), we get a palindrome (34162826143).

The spelling of 23020424111 in words is "twenty-three billion, twenty million, four hundred twenty-four thousand, one hundred eleven".

Divisors: 1 19 1211601269 23020424111