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123132111233 is a prime number
BaseRepresentation
bin111001010101100111…
…1101110100110000001
3102202211021210100101012
41302223033232212001
54004133310024413
6132322140250305
711616220451015
oct1625317564601
9382737710335
10123132111233
11482469596aa
121ba44840995
13b7c4076321
145d612dc545
153309e437a8
hex1cab3ee981

123132111233 has 2 divisors, whose sum is σ = 123132111234. Its totient is φ = 123132111232.

The previous prime is 123132111217. The next prime is 123132111247. The reversal of 123132111233 is 332111231321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86799176689 + 36332934544 = 294617^2 + 190612^2 .

It is a cyclic number.

It is not a de Polignac number, because 123132111233 - 24 = 123132111217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123132111199 and 123132111208.

It is not a weakly prime, because it can be changed into another prime (123132111133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61566055616 + 61566055617.

It is an arithmetic number, because the mean of its divisors is an integer number (61566055617).

Almost surely, 2123132111233 is an apocalyptic number.

It is an amenable number.

123132111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123132111233 is an equidigital number, since it uses as much as digits as its factorization.

123132111233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

Adding to 123132111233 its reverse (332111231321), we get a palindrome (455243342554).

The spelling of 123132111233 in words is "one hundred twenty-three billion, one hundred thirty-two million, one hundred eleven thousand, two hundred thirty-three".