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23055123 = 3713791069
BaseRepresentation
bin101011111110…
…0101100010011
31121101022200110
41113330230103
521400230443
62142052403
7366652050
oct127745423
947338613
1023055123
1112017723
12787a103
134a12bb0
1430c2027
152056233
hex15fcb13

23055123 has 32 divisors (see below), whose sum is σ = 38348800. Its totient is φ = 11995776.

The previous prime is 23055121. The next prime is 23055127. The reversal of 23055123 is 32155032.

It is not a de Polignac number, because 23055123 - 21 = 23055121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23055123.

It is not an unprimeable number, because it can be changed into a prime (23055121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21033 + ... + 22101.

It is an arithmetic number, because the mean of its divisors is an integer number (1198400).

Almost surely, 223055123 is an apocalyptic number.

23055123 is a deficient number, since it is larger than the sum of its proper divisors (15293677).

23055123 is a wasteful number, since it uses less digits than its factorization.

23055123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 23055123 is about 4801.5750540838. The cubic root of 23055123 is about 284.6137087257.

Subtracting 23055123 from its reverse (32155032), we obtain a palindrome (9099909).

The spelling of 23055123 in words is "twenty-three million, fifty-five thousand, one hundred twenty-three".

Divisors: 1 3 7 13 21 39 79 91 237 273 553 1027 1069 1659 3081 3207 7189 7483 13897 21567 22449 41691 84451 97279 253353 291837 591157 1097863 1773471 3293589 7685041 23055123