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130231022023 = 1947557261823
BaseRepresentation
bin111100101001001011…
…1111011000111000111
3110110011000122101021001
41321102113323013013
54113203120201043
6135454410434131
712260150264644
oct1712227730707
9413130571231
10130231022023
115025a020423
12212a6132947
13c385a0105b
146436044dcb
1535c329974d
hex1e525fb1c7

130231022023 has 16 divisors (see below), whose sum is σ = 140253880320. Its totient is φ = 120534470496.

The previous prime is 130231022003. The next prime is 130231022063. The reversal of 130231022023 is 320220132031.

It is a cyclic number.

It is not a de Polignac number, because 130231022023 - 29 = 130231021511 is a prime.

It is a super-2 number, since 2×1302310220232 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130231022003) 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, 366490 + ... + 628312.

It is an arithmetic number, because the mean of its divisors is an integer number (8765867520).

Almost surely, 2130231022023 is an apocalyptic number.

130231022023 is a deficient number, since it is larger than the sum of its proper divisors (10022858297).

130231022023 is a wasteful number, since it uses less digits than its factorization.

130231022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262446.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 130231022023 its reverse (320220132031), we get a palindrome (450451154054).

The spelling of 130231022023 in words is "one hundred thirty billion, two hundred thirty-one million, twenty-two thousand, twenty-three".

Divisors: 1 19 47 557 893 10583 26179 261823 497401 4974637 12305681 145835411 233807939 2770872809 6854264317 130231022023