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23002000023 = 314875156243
BaseRepresentation
bin10101011011000001…
…101010101010010111
32012101001022200002210
4111123001222222113
5334102003000043
614322244404503
71443003526362
oct253301525227
965331280083
1023002000023
119834036082
12455b3a6733
13222760c602
141182c8d0d9
158e95a7633
hex55b06aa97

23002000023 has 8 divisors (see below), whose sum is σ = 30689964288. Its totient is φ = 15324351224.

The previous prime is 23001999997. The next prime is 23002000027. The reversal of 23002000023 is 32000020032.

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 23002000023 - 28 = 23001999767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23001999972 and 23002000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002000027) 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, 2573661 + ... + 2582582.

It is an arithmetic number, because the mean of its divisors is an integer number (3836245536).

Almost surely, 223002000023 is an apocalyptic number.

23002000023 is a deficient number, since it is larger than the sum of its proper divisors (7687964265).

23002000023 is a wasteful number, since it uses less digits than its factorization.

23002000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157733.

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 23002000023 its reverse (32000020032), we get a palindrome (55002020055).

The spelling of 23002000023 in words is "twenty-three billion, two million, twenty-three", and thus it is an aban number and an uban number.

Divisors: 1 3 1487 4461 5156243 15468729 7667333341 23002000023