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120023220023 = 717146174289
BaseRepresentation
bin110111111000111110…
…0001111111100110111
3102110210121212022101022
41233301330033330313
53431301421020043
6131045442051355
711446200352160
oct1576174177467
9373717768338
10120023220023
11469a0a84723
121b317649b5b
13b419c57325
145b4846c767
1531c7040868
hex1bf1f0ff37

120023220023 has 4 divisors (see below), whose sum is σ = 137169394320. Its totient is φ = 102877045728.

The previous prime is 120023219989. The next prime is 120023220029. The reversal of 120023220023 is 320022320021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120023220023 - 212 = 120023215927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120023219983 and 120023220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023220029) 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, 8573087138 + ... + 8573087151.

It is an arithmetic number, because the mean of its divisors is an integer number (34292348580).

Almost surely, 2120023220023 is an apocalyptic number.

120023220023 is a deficient number, since it is larger than the sum of its proper divisors (17146174297).

120023220023 is an equidigital number, since it uses as much as digits as its factorization.

120023220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17146174296.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 120023220023 its reverse (320022320021), we get a palindrome (440045540044).

The spelling of 120023220023 in words is "one hundred twenty billion, twenty-three million, two hundred twenty thousand, twenty-three".

Divisors: 1 7 17146174289 120023220023