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23013224081 is a prime number
BaseRepresentation
bin10101011011101100…
…011110111010010001
32012101211102220121122
4111123230132322101
5334112341132311
614323325132025
71443201114521
oct253354367221
965354386548
1023013224081
11983a401961
1245630ba015
132229a3c373
141184571681
158ea5730db
hex55bb1ee91

23013224081 has 2 divisors, whose sum is σ = 23013224082. Its totient is φ = 23013224080.

The previous prime is 23013224009. The next prime is 23013224123. The reversal of 23013224081 is 18042231032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20791044481 + 2222179600 = 144191^2 + 47140^2 .

It is a cyclic number.

It is not a de Polignac number, because 23013224081 - 226 = 22946115217 is a prime.

It is a super-2 number, since 2×230132240812 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23013224081.

It is not a weakly prime, because it can be changed into another prime (23013224281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506612040 + 11506612041.

It is an arithmetic number, because the mean of its divisors is an integer number (11506612041).

Almost surely, 223013224081 is an apocalyptic number.

It is an amenable number.

23013224081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013224081 is an equidigital number, since it uses as much as digits as its factorization.

23013224081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 23013224081 in words is "twenty-three billion, thirteen million, two hundred twenty-four thousand, eighty-one".