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123132242231321 = 163511975304759
BaseRepresentation
bin11011111111110011110101…
…100011110000000000011001
3121010222022211200010201010212
4123333303311203300000121
5112114344313002400241
61113514100550220505
734636003514645201
oct3377636543600031
9533868750121125
10123132242231321
11362630aa763654
1211987a2a954735
13539242252b09b
1422598bd143401
15e37e439bcbeb
hex6ffcf58f0019

123132242231321 has 4 divisors (see below), whose sum is σ = 123132319171200. Its totient is φ = 123132165291444.

The previous prime is 123132242231291. The next prime is 123132242231353.

123132242231321 is nontrivially palindromic in base 10.

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 a de Polignac number, because none of the positive numbers 2k-123132242231321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123132242201321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36017261 + ... + 39287498.

It is an arithmetic number, because the mean of its divisors is an integer number (30783079792800).

Almost surely, 2123132242231321 is an apocalyptic number.

It is an amenable number.

123132242231321 is a deficient number, since it is larger than the sum of its proper divisors (76939879).

123132242231321 is an equidigital number, since it uses as much as digits as its factorization.

123132242231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76939878.

The product of its digits is 20736, while the sum is 32.

The spelling of 123132242231321 in words is "one hundred twenty-three trillion, one hundred thirty-two billion, two hundred forty-two million, two hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 1635119 75304759 123132242231321