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3123112423 is a prime number
BaseRepresentation
bin1011101000100110…
…1110100111100111
322001122200112211111
42322021232213213
522344004044143
61233523045451
7140252006014
oct27211564747
98048615744
103123112423
111362a08652
12731b10887
133aa05b022
14218ad270b
151342b199d
hexba26e9e7

3123112423 has 2 divisors, whose sum is σ = 3123112424. Its totient is φ = 3123112422.

The previous prime is 3123112387. The next prime is 3123112427. The reversal of 3123112423 is 3242113213.

It is a strong prime.

It is an emirp because it is prime and its reverse (3242113213) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3123112423 is a prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 3123112394 and 3123112403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123112427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561556211 + 1561556212.

It is an arithmetic number, because the mean of its divisors is an integer number (1561556212).

Almost surely, 23123112423 is an apocalyptic number.

3123112423 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123112423 is an equidigital number, since it uses as much as digits as its factorization.

3123112423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 3123112423 is about 55884.8138853481. The cubic root of 3123112423 is about 1461.7144466921.

Adding to 3123112423 its reverse (3242113213), we get a palindrome (6365225636).

The spelling of 3123112423 in words is "three billion, one hundred twenty-three million, one hundred twelve thousand, four hundred twenty-three".