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123023012230 = 2553232118891
BaseRepresentation
bin111001010010010111…
…1100011000110000110
3102202112200111112200101
41302210233203012012
54003422342342410
6132303242034314
711613424231066
oct1624457430606
9382480445611
10123023012230
11481a0312a38
121ba141a899a
13b7a75980c1
145d50a1d3a6
153300592d3a
hex1ca4be3186

123023012230 has 16 divisors (see below), whose sum is σ = 225619563024. Its totient is φ = 48280729120.

The previous prime is 123023012197. The next prime is 123023012267. The reversal of 123023012230 is 32210320321.

It is a junction number, because it is equal to n+sod(n) for n = 123023012198 and 123023012207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116058916 + ... + 116059975.

It is an arithmetic number, because the mean of its divisors is an integer number (14101222689).

Almost surely, 2123023012230 is an apocalyptic number.

123023012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123023012230 is a deficient number, since it is larger than the sum of its proper divisors (102596550794).

123023012230 is a wasteful number, since it uses less digits than its factorization.

123023012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232118951.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123023012230 its reverse (32210320321), we get a palindrome (155233332551).

The spelling of 123023012230 in words is "one hundred twenty-three billion, twenty-three million, twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 232118891 464237782 1160594455 2321188910 12302301223 24604602446 61511506115 123023012230