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11123021000023 = 311920071868719
BaseRepresentation
bin1010000111011100011110…
…1101110010110101010111
31110101100110110100222202121
42201313013231302311113
52424214421334000043
635353502330320411
72225416554344062
oct241670755626527
943340413328677
1011123021000023
1135a9279418069
1212b7871289107
13628b864662aa
142a64ddbcd8d9
151445069a0ded
hexa1dc7b72d57

11123021000023 has 8 divisors (see below), whose sum is σ = 11481894072320. Its totient is φ = 10764152049240.

The previous prime is 11123020999973. The next prime is 11123021000027. The reversal of 11123021000023 is 32000012032111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123021000023 - 217 = 11123020868951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123020999970 and 11123021000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123021000027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5017858 + ... + 6886576.

It is an arithmetic number, because the mean of its divisors is an integer number (1435236759040).

Almost surely, 211123021000023 is an apocalyptic number.

11123021000023 is a deficient number, since it is larger than the sum of its proper divisors (358873072297).

11123021000023 is a wasteful number, since it uses less digits than its factorization.

11123021000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060757.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11123021000023 its reverse (32000012032111), we get a palindrome (43123033032134).

The spelling of 11123021000023 in words is "eleven trillion, one hundred twenty-three billion, twenty-one million, twenty-three", and thus it is an aban number.

Divisors: 1 31 192007 1868719 5952217 57930289 358807129033 11123021000023