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13003230023 = 731440913591
BaseRepresentation
bin11000001110000110…
…11000101101000111
31020120012212112012222
430013003120231013
5203112311330043
65550144202555
7640142426420
oct140703305507
936505775188
1013003230023
115572a911a3
12262a90945b
1312c2c62c64
148b4d6a647
1551188dd68
hex3070d8b47

13003230023 has 16 divisors (see below), whose sum is σ = 15344824320. Its totient is φ = 10782849600.

The previous prime is 13003230007. The next prime is 13003230041. The reversal of 13003230023 is 32003230031.

It is a cyclic number.

It is not a de Polignac number, because 13003230023 - 24 = 13003230007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13003229983 and 13003230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13003230083) 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, 949958 + ... + 963548.

It is an arithmetic number, because the mean of its divisors is an integer number (959051520).

Almost surely, 213003230023 is an apocalyptic number.

13003230023 is a deficient number, since it is larger than the sum of its proper divisors (2341594297).

13003230023 is a wasteful number, since it uses less digits than its factorization.

13003230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18038.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 13003230023 its reverse (32003230031), we get a palindrome (45006460054).

It can be divided in two parts, 1300 and 3230023, that added together give a palindrome (3231323).

The spelling of 13003230023 in words is "thirteen billion, three million, two hundred thirty thousand, twenty-three".

Divisors: 1 7 31 217 4409 13591 30863 95137 136679 421321 956753 2949247 59922719 419459033 1857604289 13003230023