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23215151323 = 713416222233
BaseRepresentation
bin10101100111101110…
…110001100011011011
32012220220101212201101
4111213232301203123
5340021034320243
614355341132231
71451202346630
oct254756614333
965826355641
1023215151323
119933390881
1245ba85a077
13225c81c940
1411a32d6187
1590d15d54d
hex567bb18db

23215151323 has 16 divisors (see below), whose sum is σ = 29269388736. Its totient is φ = 17920028160.

The previous prime is 23215151209. The next prime is 23215151339. The reversal of 23215151323 is 32315151232.

It is a cyclic number.

It is not a de Polignac number, because 23215151323 - 221 = 23213054171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23215151291 and 23215151300.

It is not an unprimeable number, because it can be changed into a prime (23215151123) 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, 3107386 + ... + 3114847.

It is an arithmetic number, because the mean of its divisors is an integer number (1829336796).

Almost surely, 223215151323 is an apocalyptic number.

23215151323 is a deficient number, since it is larger than the sum of its proper divisors (6054237413).

23215151323 is a wasteful number, since it uses less digits than its factorization.

23215151323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222294.

The product of its digits is 5400, while the sum is 28.

Subtracting 23215151323 from its reverse (32315151232), we obtain a palindrome (9099999909).

The spelling of 23215151323 in words is "twenty-three billion, two hundred fifteen million, one hundred fifty-one thousand, three hundred twenty-three".

Divisors: 1 7 13 41 91 287 533 3731 6222233 43555631 80889029 255111553 566223203 1785780871 3316450189 23215151323