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40430300123 = 227479371831
BaseRepresentation
bin100101101001110101…
…010110101111011011
310212100122202001022002
4211221311112233123
51130300124100443
630323505351215
72630620611053
oct455165265733
9125318661262
1040430300123
1116167939984
127a0403850b
133a74272615
141d577bc563
1510b96832b8
hex969d56bdb

40430300123 has 8 divisors (see below), whose sum is σ = 40693294080. Its totient is φ = 40168051240.

The previous prime is 40430300117. The next prime is 40430300147. The reversal of 40430300123 is 32100303404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40430300123 - 220 = 40429251547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40430300095 and 40430300104.

It is not an unprimeable number, because it can be changed into a prime (40430300923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77183 + ... + 294648.

It is an arithmetic number, because the mean of its divisors is an integer number (5086661760).

Almost surely, 240430300123 is an apocalyptic number.

40430300123 is a deficient number, since it is larger than the sum of its proper divisors (262993957).

40430300123 is a wasteful number, since it uses less digits than its factorization.

40430300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372537.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40430300123 its reverse (32100303404), we get a palindrome (72530603527).

The spelling of 40430300123 in words is "forty billion, four hundred thirty million, three hundred thousand, one hundred twenty-three".

Divisors: 1 227 479 108733 371831 84405637 178107049 40430300123