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123232140239 = 13151571109943
BaseRepresentation
bin111001011000100110…
…1010011101111001111
3102210002021000100101012
41302301031103233033
54004334411441424
6132340112235435
711621543623535
oct1626115235717
9383067010335
10123232140239
114829836a9aa
121ba7223bb7b
13b80b9ca0a0
145d706da155
153313b01b0e
hex1cb1353bcf

123232140239 has 16 divisors (see below), whose sum is σ = 133825595904. Its totient is φ = 112800492000.

The previous prime is 123232140233. The next prime is 123232140247. The reversal of 123232140239 is 932041232321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123232140239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232140233) 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, 1065902 + ... + 1175844.

It is an arithmetic number, because the mean of its divisors is an integer number (8364099744).

Almost surely, 2123232140239 is an apocalyptic number.

123232140239 is a deficient number, since it is larger than the sum of its proper divisors (10593455665).

123232140239 is a wasteful number, since it uses less digits than its factorization.

123232140239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110678.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 123232140239 in words is "one hundred twenty-three billion, two hundred thirty-two million, one hundred forty thousand, two hundred thirty-nine".

Divisors: 1 13 151 571 1963 7423 86221 109943 1120873 1429259 16601393 62777453 215818109 816106889 9479395403 123232140239