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23153620443 = 316433469657
BaseRepresentation
bin10101100100000100…
…000011010111011011
32012202121121210012220
4111210010003113123
5334404311323233
614345302235123
71446524345412
oct254404032733
965677553186
1023153620443
119901684808
1245a2125aa3
13224cb57c35
14119907a479
15907a56eb3
hex5641035db

23153620443 has 8 divisors (see below), whose sum is σ = 30873438288. Its totient is φ = 15434774784.

The previous prime is 23153620417. The next prime is 23153620453. The reversal of 23153620443 is 34402635132.

It is a happy number.

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

It is not a de Polignac number, because 23153620443 - 224 = 23136843227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23153620403) 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, 185530 + ... + 284127.

It is an arithmetic number, because the mean of its divisors is an integer number (3859179786).

Almost surely, 223153620443 is an apocalyptic number.

23153620443 is a deficient number, since it is larger than the sum of its proper divisors (7719817845).

23153620443 is a wasteful number, since it uses less digits than its factorization.

23153620443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486093.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 23153620443 in words is "twenty-three billion, one hundred fifty-three million, six hundred twenty thousand, four hundred forty-three".

Divisors: 1 3 16433 49299 469657 1408971 7717873481 23153620443