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1202304423 = 3400768141
BaseRepresentation
bin100011110101001…
…1011010110100111
310002210100101121110
41013222123112213
54430242220143
6315145320103
741536263465
oct10752332647
93083311543
101202304423
11567740121
12296796033
13162120348
14b596d835
1570843533
hex47a9b5a7

1202304423 has 4 divisors (see below), whose sum is σ = 1603072568. Its totient is φ = 801536280.

The previous prime is 1202304421. The next prime is 1202304443. The reversal of 1202304423 is 3244032021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1202304423 - 21 = 1202304421 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 1202304423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202304421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200384068 + ... + 200384073.

It is an arithmetic number, because the mean of its divisors is an integer number (400768142).

Almost surely, 21202304423 is an apocalyptic number.

1202304423 is a deficient number, since it is larger than the sum of its proper divisors (400768145).

1202304423 is an equidigital number, since it uses as much as digits as its factorization.

1202304423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400768144.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1202304423 is about 34674.2616792341. The cubic root of 1202304423 is about 1063.3383605684.

Adding to 1202304423 its reverse (3244032021), we get a palindrome (4446336444).

The spelling of 1202304423 in words is "one billion, two hundred two million, three hundred four thousand, four hundred twenty-three".

Divisors: 1 3 400768141 1202304423