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2403130123 = 19489123307
BaseRepresentation
bin1000111100111100…
…1101101100001011
320012110220122210101
42033033031230023
514410200130443
61034243230231
7113360161162
oct21717155413
96173818711
102403130123
111023560259
12570978377
132c3b435b4
1418b2363d9
15e0e9384d
hex8f3cdb0b

2403130123 has 4 divisors (see below), whose sum is σ = 2403272920. Its totient is φ = 2402987328.

The previous prime is 2403130117. The next prime is 2403130159. The reversal of 2403130123 is 3210313042.

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

It is a cyclic number.

It is not a de Polignac number, because 2403130123 - 29 = 2403129611 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 2403130123.

It is not an unprimeable number, because it can be changed into a prime (2403130193) 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, 42165 + ... + 81142.

It is an arithmetic number, because the mean of its divisors is an integer number (600818230).

Almost surely, 22403130123 is an apocalyptic number.

2403130123 is a deficient number, since it is larger than the sum of its proper divisors (142797).

2403130123 is a wasteful number, since it uses less digits than its factorization.

2403130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142796.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2403130123 is about 49021.7311301835. The cubic root of 2403130123 is about 1339.4477049359.

Adding to 2403130123 its reverse (3210313042), we get a palindrome (5613443165).

The spelling of 2403130123 in words is "two billion, four hundred three million, one hundred thirty thousand, one hundred twenty-three".

Divisors: 1 19489 123307 2403130123