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13023231323023 = 47963271526621
BaseRepresentation
bin1011110110000011010100…
…0100111010101110001111
31201010000020101100000101201
42331200311010322232033
53201333034204314043
643410442340250331
72512616545524205
oct275406504725617
951100211300351
1013023231323023
114171137626609
121563ba59a09a7
1373611594aabc
1433048352b075
15178b6de3bc4d
hexbd83513ab8f

13023231323023 has 4 divisors (see below), whose sum is σ = 13023502897608. Its totient is φ = 13022959748440.

The previous prime is 13023231322979. The next prime is 13023231323027. The reversal of 13023231323023 is 32032313232031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13023231323023 - 225 = 13023197768591 is a prime.

It is a super-3 number, since 3×130232313230233 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13023231322982 and 13023231323000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023231323027) 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, 135715348 + ... + 135811273.

It is an arithmetic number, because the mean of its divisors is an integer number (3255875724402).

Almost surely, 213023231323023 is an apocalyptic number.

13023231323023 is a deficient number, since it is larger than the sum of its proper divisors (271574585).

13023231323023 is an equidigital number, since it uses as much as digits as its factorization.

13023231323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271574584.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 13023231323023 its reverse (32032313232031), we get a palindrome (45055544555054).

The spelling of 13023231323023 in words is "thirteen trillion, twenty-three billion, two hundred thirty-one million, three hundred twenty-three thousand, twenty-three".

Divisors: 1 47963 271526621 13023231323023