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1423230621697 = 8391696341623
BaseRepresentation
bin10100101101011111001…
…001111101100000000001
312001001121101111122120001
4110231133021331200001
5141304234014343242
63005453443320001
7204552660452053
oct24553711754001
95031541448501
101423230621697
114a96526451a5
121ab9b9080001
13a42966b2281
144cc559ab8d3
152704c826eb7
hex14b5f27d801

1423230621697 has 4 divisors (see below), whose sum is σ = 1424926964160. Its totient is φ = 1421534279236.

The previous prime is 1423230621691. The next prime is 1423230621707. The reversal of 1423230621697 is 7961260323241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423230621697 - 227 = 1423096403969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423230621691) 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, 848169973 + ... + 848171650.

It is an arithmetic number, because the mean of its divisors is an integer number (356231741040).

Almost surely, 21423230621697 is an apocalyptic number.

It is an amenable number.

1423230621697 is a deficient number, since it is larger than the sum of its proper divisors (1696342463).

1423230621697 is an equidigital number, since it uses as much as digits as its factorization.

1423230621697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696342462.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 1423230621697 in words is "one trillion, four hundred twenty-three billion, two hundred thirty million, six hundred twenty-one thousand, six hundred ninety-seven".

Divisors: 1 839 1696341623 1423230621697