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23110110220123 = 123118773444533
BaseRepresentation
bin1010100000100101111011…
…11010010000111101011011
310000211022020022112112001201
411100102331322100331123
511012114001204020443
6121052345453455031
74603436034505633
oct520227572207533
9100738208475051
1023110110220123
1173aaa40815933
122712a891a1477
13cb83740c2134
1459c76cc296c3
152a12311e534d
hex1504bde90f5b

23110110220123 has 4 divisors (see below), whose sum is σ = 23128883665888. Its totient is φ = 23091336774360.

The previous prime is 23110110220027. The next prime is 23110110220147. The reversal of 23110110220123 is 32102201101132.

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 23110110220123 - 213 = 23110110211931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23110110220123.

It is not an unprimeable number, because it can be changed into a prime (23110110221123) 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, 9386721036 + ... + 9386723497.

It is an arithmetic number, because the mean of its divisors is an integer number (5782220916472).

Almost surely, 223110110220123 is an apocalyptic number.

23110110220123 is a deficient number, since it is larger than the sum of its proper divisors (18773445765).

23110110220123 is a wasteful number, since it uses less digits than its factorization.

23110110220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18773445764.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 23110110220123 its reverse (32102201101132), we get a palindrome (55212311321255).

The spelling of 23110110220123 in words is "twenty-three trillion, one hundred ten billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-three".

Divisors: 1 1231 18773444533 23110110220123