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123323132213 = 157978102047
BaseRepresentation
bin111001011011010100…
…0011010100100110101
3102210022121020012220022
41302312220122210311
54010031210212323
6132353122414525
711624030220341
oct1626650324465
9383277205808
10123323132213
1148334769586
121ba98801445
13b8248086a8
145d7c824621
15331bac74c8
hex1cb6a1a935

123323132213 has 4 divisors (see below), whose sum is σ = 123401235840. Its totient is φ = 123245028588.

The previous prime is 123323132197. The next prime is 123323132243. The reversal of 123323132213 is 312231323321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123323132213 - 24 = 123323132197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323132243) 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 in 3 ways as a sum of consecutive naturals, for example, 39049445 + ... + 39052602.

It is an arithmetic number, because the mean of its divisors is an integer number (30850308960).

Almost surely, 2123323132213 is an apocalyptic number.

It is an amenable number.

123323132213 is a deficient number, since it is larger than the sum of its proper divisors (78103627).

123323132213 is an equidigital number, since it uses as much as digits as its factorization.

123323132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78103626.

The product of its digits is 3888, while the sum is 26.

Adding to 123323132213 its reverse (312231323321), we get a palindrome (435554455534).

The spelling of 123323132213 in words is "one hundred twenty-three billion, three hundred twenty-three million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 1579 78102047 123323132213