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130230123023 = 71113130100023
BaseRepresentation
bin111100101001001010…
…0011111101000001111
3110110010221221201001202
41321102110133220033
54113202402414043
6135454335300115
712260136531650
oct1712224375017
9413127851052
10130230123023
1150259566a50
12212a597a63b
13c385777ac0
146435c8d527
1535c316d1b8
hex1e5251fa0f

130230123023 has 16 divisors (see below), whose sum is σ = 174854432256. Its totient is φ = 93672015840.

The previous prime is 130230123017. The next prime is 130230123029. The reversal of 130230123023 is 320321032031.

It is an interprime number because it is at equal distance from previous prime (130230123017) and next prime (130230123029).

It is not a de Polignac number, because 130230123023 - 214 = 130230106639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130230122986 and 130230123004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130230123029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65049011 + ... + 65051012.

It is an arithmetic number, because the mean of its divisors is an integer number (10928402016).

Almost surely, 2130230123023 is an apocalyptic number.

130230123023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130230123023 is a deficient number, since it is larger than the sum of its proper divisors (44624309233).

130230123023 is a wasteful number, since it uses less digits than its factorization.

130230123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130100054.

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

Adding to 130230123023 its reverse (320321032031), we get a palindrome (450551155054).

The spelling of 130230123023 in words is "one hundred thirty billion, two hundred thirty million, one hundred twenty-three thousand, twenty-three".

Divisors: 1 7 11 13 77 91 143 1001 130100023 910700161 1431100253 1691300299 10017701771 11839102093 18604303289 130230123023