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23123020332 = 22347344911887
BaseRepresentation
bin10101100010001111…
…010100101000101100
32012200111001010202110
4111202033110220230
5334323443122312
614342250324020
71446003300306
oct254217245054
965614033673
1023123020332
119896384465
124593a29610
132246702a69
141194d92976
1590501043c
hex5623d4a2c

23123020332 has 48 divisors (see below), whose sum is σ = 55122278400. Its totient is φ = 7540858752.

The previous prime is 23123020331. The next prime is 23123020433. The reversal of 23123020332 is 23302032132.

It is a junction number, because it is equal to n+sod(n) for n = 23123020299 and 23123020308.

It is not an unprimeable number, because it can be changed into a prime (23123020331) 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, 1939293 + ... + 1951179.

It is an arithmetic number, because the mean of its divisors is an integer number (1148380800).

Almost surely, 223123020332 is an apocalyptic number.

It is an amenable number.

23123020332 is an abundant number, since it is smaller than the sum of its proper divisors (31999258068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23123020332 is a wasteful number, since it uses less digits than its factorization.

23123020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390 (or 15388 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23123020332 its reverse (23302032132), we get a palindrome (46425052464).

The spelling of 23123020332 in words is "twenty-three billion, one hundred twenty-three million, twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 3449 6898 10347 11887 13796 20694 23774 35661 41388 47548 71322 142644 162103 324206 486309 558689 648412 972618 1117378 1676067 1945236 2234756 3352134 6704268 40998263 81996526 122994789 163993052 245989578 491979156 1926918361 3853836722 5780755083 7707673444 11561510166 23123020332