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40430412423 = 3210334348759
BaseRepresentation
bin100101101001110101…
…110010001010000111
310212100122221202100100
4211221311302022013
51130300141144143
630323512015143
72630621556342
oct455165621207
9125318852310
1040430412423
1116167a06295
127a040914b3
133a742b177b
141d5780b459
1510b96a66d3
hex969d72287

40430412423 has 12 divisors (see below), whose sum is σ = 58456031920. Its totient is φ = 26927509536.

The previous prime is 40430412377. The next prime is 40430412457. The reversal of 40430412423 is 32421403404.

It is a happy number.

40430412423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40430412423 - 26 = 40430412359 is a prime.

It is a super-3 number, since 3×404304124233 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430412823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2165083 + ... + 2183676.

Almost surely, 240430412423 is an apocalyptic number.

40430412423 is a deficient number, since it is larger than the sum of its proper divisors (18025619497).

40430412423 is a wasteful number, since it uses less digits than its factorization.

40430412423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349798 (or 4349795 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40430412423 its reverse (32421403404), we get a palindrome (72851815827).

The spelling of 40430412423 in words is "forty billion, four hundred thirty million, four hundred twelve thousand, four hundred twenty-three".

Divisors: 1 3 9 1033 3099 9297 4348759 13046277 39138831 4492268047 13476804141 40430412423