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23205232353 = 38588990059
BaseRepresentation
bin10101100111001000…
…111011111011100001
32012220012201221110010
4111213020323323201
5340011014413403
614354344355133
71451022135432
oct254710737341
965805657403
1023205232353
119928826586
1245b7475aa9
13225a758c24
1411a1c73489
1590c34e603
hex56723bee1

23205232353 has 8 divisors (see below), whose sum is σ = 30941013600. Its totient is φ = 15469803008.

The previous prime is 23205232327. The next prime is 23205232387. The reversal of 23205232353 is 35323250232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23205232353 - 28 = 23205232097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23205232353.

It is not an unprimeable number, because it can be changed into a prime (23205032353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212638 + ... + 302696.

It is an arithmetic number, because the mean of its divisors is an integer number (3867626700).

Almost surely, 223205232353 is an apocalyptic number.

It is an amenable number.

23205232353 is a deficient number, since it is larger than the sum of its proper divisors (7735781247).

23205232353 is an equidigital number, since it uses as much as digits as its factorization.

23205232353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175951.

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 23205232353 its reverse (35323250232), we get a palindrome (58528482585).

The spelling of 23205232353 in words is "twenty-three billion, two hundred five million, two hundred thirty-two thousand, three hundred fifty-three".

Divisors: 1 3 85889 90059 257667 270177 7735077451 23205232353