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23131122323 is a prime number
BaseRepresentation
bin10101100010101110…
…001110101010010011
32012201001021202121012
4111202232032222103
5334333031403243
614343140121135
71446132203261
oct254256165223
965631252535
1023131122323
11989aa08621
1245966961ab
1322482ab73a
1411960a1431
15905ab0d18
hex562b8ea93

23131122323 has 2 divisors, whose sum is σ = 23131122324. Its totient is φ = 23131122322.

The previous prime is 23131122317. The next prime is 23131122331. The reversal of 23131122323 is 32322113132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23131122323 - 24 = 23131122307 is a prime.

It is a super-3 number, since 3×231311223233 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23131122383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565561161 + 11565561162.

It is an arithmetic number, because the mean of its divisors is an integer number (11565561162).

Almost surely, 223131122323 is an apocalyptic number.

23131122323 is a deficient number, since it is larger than the sum of its proper divisors (1).

23131122323 is an equidigital number, since it uses as much as digits as its factorization.

23131122323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

Adding to 23131122323 its reverse (32322113132), we get a palindrome (55453235455).

The spelling of 23131122323 in words is "twenty-three billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred twenty-three".