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2303220023 = 13239378221
BaseRepresentation
bin1000100101001000…
…0101100100110111
312221111220200220022
42021102011210313
514204111020043
61020313555355
7111035022116
oct21122054467
95844820808
102303220023
11a82120325
12543415b5b
132a92319b0
1417bc69c7d
15d730a868
hex89485937

2303220023 has 16 divisors (see below), whose sum is σ = 2591311296. Its totient is φ = 2031194880.

The previous prime is 2303220019. The next prime is 2303220083. The reversal of 2303220023 is 3200223032.

It is not a de Polignac number, because 2303220023 - 22 = 2303220019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2303219983 and 2303220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303220013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276053 + ... + 284273.

It is an arithmetic number, because the mean of its divisors is an integer number (161956956).

Almost surely, 22303220023 is an apocalyptic number.

2303220023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2303220023 is a deficient number, since it is larger than the sum of its proper divisors (288091273).

2303220023 is a wasteful number, since it uses less digits than its factorization.

2303220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 2303220023 is about 47991.8745518447. The cubic root of 2303220023 is about 1320.6218418040.

Adding to 2303220023 its reverse (3200223032), we get a palindrome (5503443055).

The spelling of 2303220023 in words is "two billion, three hundred three million, two hundred twenty thousand, twenty-three".

Divisors: 1 13 23 299 937 8221 12181 21551 106873 189083 280163 2458079 7703077 100140001 177170771 2303220023