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23391723044 = 2228513205097
BaseRepresentation
bin10101110010010000…
…010101111000100100
32020101012122122120202
4111302100111320210
5340401240114134
614425045450032
71455445236164
oct256220257044
966335578522
1023391723044
119a14021818
124649a10918
13228a293251
1411bc93a5a4
1591d8dad7e
hex572415e24

23391723044 has 12 divisors (see below), whose sum is σ = 40937150604. Its totient is φ = 11695394304.

The previous prime is 23391723029. The next prime is 23391723049. The reversal of 23391723044 is 44032719332.

It can be written as a sum of positive squares in 2 ways, for example, as 17873016100 + 5518706944 = 133690^2 + 74288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23391722989 and 23391723007.

It is not an unprimeable number, because it can be changed into a prime (23391723049) 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, 11504 + ... + 216600.

It is an arithmetic number, because the mean of its divisors is an integer number (3411429217).

Almost surely, 223391723044 is an apocalyptic number.

It is an amenable number.

23391723044 is a deficient number, since it is larger than the sum of its proper divisors (17545427560).

23391723044 is a wasteful number, since it uses less digits than its factorization.

23391723044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233614 (or 233612 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 23391723044 in words is "twenty-three billion, three hundred ninety-one million, seven hundred twenty-three thousand, forty-four".

Divisors: 1 2 4 28513 57026 114052 205097 410194 820388 5847930761 11695861522 23391723044