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113122023 = 376018963
BaseRepresentation
bin1101011111000…
…01101011100111
321212212012020120
412233201223213
5212424401043
615120333023
72542343550
oct657415347
9255765216
10113122023
1158944283
1231a74173
131a589411
1411049327
159de7983
hex6be1ae7

113122023 has 16 divisors (see below), whose sum is σ = 172682496. Its totient is φ = 64526400.

The previous prime is 113122019. The next prime is 113122081. The reversal of 113122023 is 320221311.

It is not a de Polignac number, because 113122023 - 22 = 113122019 is a prime.

It is a super-2 number, since 2×1131220232 = 25593184175225058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113121993 and 113122011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8140 + ... + 17102.

It is an arithmetic number, because the mean of its divisors is an integer number (10792656).

Almost surely, 2113122023 is an apocalyptic number.

113122023 is a deficient number, since it is larger than the sum of its proper divisors (59560473).

113122023 is an equidigital number, since it uses as much as digits as its factorization.

113122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113122023 is about 10635.8837432533. The cubic root of 113122023 is about 483.6327710382.

Adding to 113122023 its reverse (320221311), we get a palindrome (433343334).

The spelling of 113122023 in words is "one hundred thirteen million, one hundred twenty-two thousand, twenty-three".

Divisors: 1 3 7 21 601 1803 4207 8963 12621 26889 62741 188223 5386763 16160289 37707341 113122023