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23142241321 = 171361308313
BaseRepresentation
bin10101100011011000…
…101001010000101001
32012201211012122222221
4111203120221100221
5334343403210241
614344214314041
71446325543213
oct254330512051
965654178887
1023142241321
1198a6212481
12459a358921
13224a6a2724
1411977575b3
15906a5a5d1
hex563629429

23142241321 has 4 divisors (see below), whose sum is σ = 24503549652. Its totient is φ = 21780932992.

The previous prime is 23142241307. The next prime is 23142241333. The reversal of 23142241321 is 12314224132.

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 11786142096 + 11356099225 = 108564^2 + 106565^2 .

It is a cyclic number.

It is not a de Polignac number, because 23142241321 - 213 = 23142233129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142241301) 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, 680654140 + ... + 680654173.

It is an arithmetic number, because the mean of its divisors is an integer number (6125887413).

Almost surely, 223142241321 is an apocalyptic number.

It is an amenable number.

23142241321 is a deficient number, since it is larger than the sum of its proper divisors (1361308331).

23142241321 is a wasteful number, since it uses less digits than its factorization.

23142241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361308330.

The product of its digits is 2304, while the sum is 25.

Adding to 23142241321 its reverse (12314224132), we get a palindrome (35456465453).

The spelling of 23142241321 in words is "twenty-three billion, one hundred forty-two million, two hundred forty-one thousand, three hundred twenty-one".

Divisors: 1 17 1361308313 23142241321