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123430332030 = 2355626373127
BaseRepresentation
bin111001011110100000…
…1010110011001111110
3102210121001221112101220
41302331001112121332
54010241131111110
6132411512214210
711626501340265
oct1627501263176
9383531845356
10123430332030
114838a228375
121bb0869a366
13b840aa0335
145d8cb6b5dc
153326200370
hex1cbd05667e

123430332030 has 32 divisors (see below), whose sum is σ = 296242113024. Its totient is φ = 32913720096.

The previous prime is 123430332029. The next prime is 123430332037. The reversal of 123430332030 is 30233034321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430332037) 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, 1651327 + ... + 1724453.

It is an arithmetic number, because the mean of its divisors is an integer number (9257566032).

Almost surely, 2123430332030 is an apocalyptic number.

123430332030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123430332030 is an abundant number, since it is smaller than the sum of its proper divisors (172811780994).

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

123430332030 is a wasteful number, since it uses less digits than its factorization.

123430332030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129400.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 123430332030 its reverse (30233034321), we get a palindrome (153663366351).

The spelling of 123430332030 in words is "one hundred twenty-three billion, four hundred thirty million, three hundred thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 56263 73127 112526 146254 168789 219381 281315 337578 365635 438762 562630 731270 843945 1096905 1687890 2193810 4114344401 8228688802 12343033203 20571722005 24686066406 41143444010 61715166015 123430332030