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130231023023 = 375476434657
BaseRepresentation
bin111100101001001011…
…1111011010110101111
3110110011000122102122002
41321102113323112233
54113203120214043
6135454410442515
712260150300603
oct1712227732657
9413130572562
10130231023023
115025a021152
12212a613343b
13c385a0164a
146436045503
1535c3299bb8
hex1e525fb5af

130231023023 has 8 divisors (see below), whose sum is σ = 133995318192. Its totient is φ = 126479598336.

The previous prime is 130231023019. The next prime is 130231023067. The reversal of 130231023023 is 320320132031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130231023023 - 22 = 130231023019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130231022986 and 130231023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231023323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3197090 + ... + 3237567.

It is an arithmetic number, because the mean of its divisors is an integer number (16749414774).

Almost surely, 2130231023023 is an apocalyptic number.

130231023023 is a deficient number, since it is larger than the sum of its proper divisors (3764295169).

130231023023 is an equidigital number, since it uses as much as digits as its factorization.

130231023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435241.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 130231023023 its reverse (320320132031), we get a palindrome (450551155054).

The spelling of 130231023023 in words is "one hundred thirty billion, two hundred thirty-one million, twenty-three thousand, twenty-three".

Divisors: 1 37 547 20239 6434657 238082309 3519757379 130231023023