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23112029 is a prime number
BaseRepresentation
bin101100000101…
…0100101011101
31121111012202002
41120022211131
521404041104
62143212045
7400310003
oct130124535
947435662
1023112029
1112056456
1278a7025
134a32a75
1430d8a73
15206801e
hex160a95d

23112029 has 2 divisors, whose sum is σ = 23112030. Its totient is φ = 23112028.

The previous prime is 23112007. The next prime is 23112031. The reversal of 23112029 is 92021132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 9012004 = 3755^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 23112029 - 28 = 23111773 is a prime.

Together with 23112031, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23112029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556014 + 11556015.

It is an arithmetic number, because the mean of its divisors is an integer number (11556015).

Almost surely, 223112029 is an apocalyptic number.

It is an amenable number.

23112029 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112029 is an equidigital number, since it uses as much as digits as its factorization.

23112029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 23112029 is about 4807.4971658858. The cubic root of 23112029 is about 284.8476830497.

The spelling of 23112029 in words is "twenty-three million, one hundred twelve thousand, twenty-nine".