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2303130423 = 311532275801
BaseRepresentation
bin1000100101000110…
…1111101100110111
312221111202010222210
42021101233230313
514204100133143
61020312024503
7111034166646
oct21121575467
95844663883
102303130423
11a82069a80
12543392133
132a91ccc89
1417bc4535d
15d72de033
hex8946fb37

2303130423 has 32 divisors (see below), whose sum is σ = 3428842752. Its totient is φ = 1363232000.

The previous prime is 2303130413. The next prime is 2303130443. The reversal of 2303130423 is 3240313032.

It is a cyclic number.

It is not a de Polignac number, because 2303130423 - 24 = 2303130407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2303130423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303130413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394123 + ... + 399923.

It is an arithmetic number, because the mean of its divisors is an integer number (107151336).

Almost surely, 22303130423 is an apocalyptic number.

2303130423 is a deficient number, since it is larger than the sum of its proper divisors (1125712329).

2303130423 is a wasteful number, since it uses less digits than its factorization.

2303130423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2303130423 is about 47990.9410514109. The cubic root of 2303130423 is about 1320.6047166126.

Adding to 2303130423 its reverse (3240313032), we get a palindrome (5543443455).

The spelling of 2303130423 in words is "two billion, three hundred three million, one hundred thirty thousand, four hundred twenty-three".

Divisors: 1 3 11 33 53 159 227 583 681 1749 2497 5801 7491 12031 17403 36093 63811 132341 191433 307453 397023 922359 1316827 3381983 3950481 10145949 14485097 43455291 69791831 209375493 767710141 2303130423