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123413104243 = 11132366156767
BaseRepresentation
bin111001011101111111…
…1101000011001110011
3102210112212112021022201
41302323333220121303
54010222223313433
6132410055044031
711626202035432
oct1627377503163
9383485467281
10123413104243
1148380530930
121bb02970617
13b83a34a990
145d8a765119
15332494aa7d
hex1cbbfe8673

123413104243 has 32 divisors (see below), whose sum is σ = 151524237312. Its totient is φ = 98909078400.

The previous prime is 123413104193. The next prime is 123413104271. The reversal of 123413104243 is 342401314321.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-123413104243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123413104343) 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, 2145646 + ... + 2202412.

It is an arithmetic number, because the mean of its divisors is an integer number (4735132416).

Almost surely, 2123413104243 is an apocalyptic number.

123413104243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123413104243 is a deficient number, since it is larger than the sum of its proper divisors (28111133069).

123413104243 is a wasteful number, since it uses less digits than its factorization.

123413104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57475.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123413104243 its reverse (342401314321), we get a palindrome (465814418564).

The spelling of 123413104243 in words is "one hundred twenty-three billion, four hundred thirteen million, one hundred four thousand, two hundred forty-three".

Divisors: 1 11 13 23 143 253 299 661 3289 7271 8593 15203 56767 94523 167233 197639 624437 737971 1305641 2174029 8117681 14362051 16973333 37522987 186706663 412752857 487798831 863028701 5365787141 9493315711 11219373113 123413104243