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42023434223 = 172592639371
BaseRepresentation
bin100111001000110010…
…101011011111101111
311000110200111122102202
4213020302223133233
51142030444343343
631145540012115
73015244203641
oct471062533757
9130420448382
1042023434223
1116905151131
12818969103b
133c69343214
142069206891
15115e477db8
hex9c8cab7ef

42023434223 has 24 divisors (see below), whose sum is σ = 45574911360. Its totient is φ = 38729133440.

The previous prime is 42023434207. The next prime is 42023434253. The reversal of 42023434223 is 32243432024.

It is a happy number.

It is not a de Polignac number, because 42023434223 - 24 = 42023434207 is a prime.

It is a super-2 number, since 2×420234342232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42023434253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4479728 + ... + 4489098.

It is an arithmetic number, because the mean of its divisors is an integer number (1898954640).

Almost surely, 242023434223 is an apocalyptic number.

42023434223 is a deficient number, since it is larger than the sum of its proper divisors (3551477137).

42023434223 is a wasteful number, since it uses less digits than its factorization.

42023434223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727 (or 9710 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 42023434223 its reverse (32243432024), we get a palindrome (74266866247).

The spelling of 42023434223 in words is "forty-two billion, twenty-three million, four hundred thirty-four thousand, two hundred twenty-three".

Divisors: 1 17 59 263 289 1003 4471 9371 15517 17051 76007 159307 263789 552889 2464573 2708219 4484413 9399113 41897741 145409807 159784921 712261597 2471966719 42023434223