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1423424023 = 72329304867
BaseRepresentation
bin101010011010111…
…1011101000010111
310200012102102200021
41110311323220113
510403344032043
6353124530011
750162622160
oct12465735027
93605372607
101423424023
1167053859a
12338850907
13198b90548
14d708c767
1584e703ed
hex54d7ba17

1423424023 has 16 divisors (see below), whose sum is σ = 1756039680. Its totient is φ = 1126784736.

The previous prime is 1423423997. The next prime is 1423424027. The reversal of 1423424023 is 3204243241.

It is a happy number.

It is not a de Polignac number, because 1423424023 - 29 = 1423423511 is a prime.

It is a super-2 number, since 2×14234240232 = 4052271898507009058, which contains 22 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 (1423424027) 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, 147765 + ... + 157102.

It is an arithmetic number, because the mean of its divisors is an integer number (109752480).

Almost surely, 21423424023 is an apocalyptic number.

1423424023 is a deficient number, since it is larger than the sum of its proper divisors (332615657).

1423424023 is a wasteful number, since it uses less digits than its factorization.

1423424023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304926.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1423424023 is about 37728.2920763715. The cubic root of 1423424023 is about 1124.8935597733.

Adding to 1423424023 its reverse (3204243241), we get a palindrome (4627667264).

The spelling of 1423424023 in words is "one billion, four hundred twenty-three million, four hundred twenty-four thousand, twenty-three".

Divisors: 1 7 23 29 161 203 667 4669 304867 2134069 7011941 8841143 49083587 61888001 203346289 1423424023