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123230133084 = 223173145340853
BaseRepresentation
bin111001011000100010…
…1101001101101011100
3102210002010020101002010
41302301011221231130
54004333403224314
6132340001231220
711621520564012
oct1626105515534
9383063211063
10123230133084
11482972199a3
121ba71632510
13b80b476616
145d703368b2
153313857059
hex1cb1169b5c

123230133084 has 48 divisors (see below), whose sum is σ = 289405160352. Its totient is φ = 40810167552.

The previous prime is 123230133083. The next prime is 123230133127. The reversal of 123230133084 is 480331032321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123230133083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996002 + ... + 3036854.

It is an arithmetic number, because the mean of its divisors is an integer number (6029274174).

Almost surely, 2123230133084 is an apocalyptic number.

It is an amenable number.

123230133084 is an abundant number, since it is smaller than the sum of its proper divisors (166175027268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123230133084 is a wasteful number, since it uses less digits than its factorization.

123230133084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42486 (or 42484 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 123230133084 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-three thousand, eighty-four".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 1453 2076 2906 4359 5812 8718 17436 40853 81706 122559 163412 245118 251369 490236 502738 754107 1005476 1508214 3016428 7067569 14135138 21202707 28270276 42405414 59359409 84810828 118718818 178078227 237437636 356156454 712312908 10269177757 20538355514 30807533271 41076711028 61615066542 123230133084