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1202343423 = 32379220573
BaseRepresentation
bin100011110101010…
…0100110111111111
310002210102101002220
41013222210313333
54430244442143
6315150220423
741536515261
oct10752446777
93083371086
101202343423
11567767456
122967b4713
13162135018
14b597db31
157084ed83
hex47aa4dff

1202343423 has 16 divisors (see below), whose sum is σ = 1694008320. Its totient is φ = 757003104.

The previous prime is 1202343419. The next prime is 1202343449. The reversal of 1202343423 is 3243432021.

It is not a de Polignac number, because 1202343423 - 22 = 1202343419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1202343393 and 1202343402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202343413) 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, 104836 + ... + 115737.

It is an arithmetic number, because the mean of its divisors is an integer number (105875520).

Almost surely, 21202343423 is an apocalyptic number.

1202343423 is a deficient number, since it is larger than the sum of its proper divisors (491664897).

1202343423 is a wasteful number, since it uses less digits than its factorization.

1202343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220678.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1202343423 is about 34674.8240514642. The cubic root of 1202343423 is about 1063.3498578639.

Adding to 1202343423 its reverse (3243432021), we get a palindrome (4445775444).

The spelling of 1202343423 in words is "one billion, two hundred two million, three hundred forty-three thousand, four hundred twenty-three".

Divisors: 1 3 23 69 79 237 1817 5451 220573 661719 5073179 15219537 17425267 52275801 400781141 1202343423