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102430423 = 1741179821
BaseRepresentation
bin1100001101011…
…11011011010111
321010202000010101
412012233123113
5202210233143
614055234531
72352433654
oct606573327
9233660111
10102430423
1152901547
122a378a47
13182b4b24
14d864c2b
158ed4b4d
hex61af6d7

102430423 has 16 divisors (see below), whose sum is σ = 111857760. Its totient is φ = 93414400.

The previous prime is 102430409. The next prime is 102430439. The reversal of 102430423 is 324034201.

It is not a de Polignac number, because 102430423 - 213 = 102422231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102430423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102430123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124353 + ... + 125173.

It is an arithmetic number, because the mean of its divisors is an integer number (6991110).

Almost surely, 2102430423 is an apocalyptic number.

102430423 is a deficient number, since it is larger than the sum of its proper divisors (9427337).

102430423 is a wasteful number, since it uses less digits than its factorization.

102430423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 102430423 is about 10120.7916192361. The cubic root of 102430423 is about 467.8891655012.

Adding to 102430423 its reverse (324034201), we get a palindrome (426464624).

The spelling of 102430423 in words is "one hundred two million, four hundred thirty thousand, four hundred twenty-three".