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104023111231 = 1317470692811
BaseRepresentation
bin110000011100001000…
…0101011011000111111
3100221111112211120100101
41200320100223120333
53201014404024411
6115442040141531
710341534566524
oct1407020533077
9327445746311
10104023111231
1140130375116
12181b11678a7
139a6a163730
14506b4ad14b
152a8c5278c1
hex183842b63f

104023111231 has 8 divisors (see below), whose sum is σ = 118614588624. Its totient is φ = 90373019520.

The previous prime is 104023111217. The next prime is 104023111237. The reversal of 104023111231 is 132111320401.

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 104023111231 - 215 = 104023078463 is a prime.

It is a super-2 number, since 2×1040231112312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104023111199 and 104023111208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104023111237) 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, 235346185 + ... + 235346626.

It is an arithmetic number, because the mean of its divisors is an integer number (14826823578).

Almost surely, 2104023111231 is an apocalyptic number.

104023111231 is a deficient number, since it is larger than the sum of its proper divisors (14591477393).

104023111231 is a wasteful number, since it uses less digits than its factorization.

104023111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470692841.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 104023111231 its reverse (132111320401), we get a palindrome (236134431632).

The spelling of 104023111231 in words is "one hundred four billion, twenty-three million, one hundred eleven thousand, two hundred thirty-one".

Divisors: 1 13 17 221 470692811 6119006543 8001777787 104023111231