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23120230023 = 32111213192529
BaseRepresentation
bin10101100010000100…
…101011011010000111
32012200021210101011200
4111202010223122013
5334322234330043
614342110433543
71445640466302
oct254204533207
965607711150
1023120230023
119894849020
124592b028b3
132245c669a7
141194867b39
15904b5d7d3
hex56212b687

23120230023 has 24 divisors (see below), whose sum is σ = 36462101520. Its totient is φ = 14000636160.

The previous prime is 23120230013. The next prime is 23120230037. The reversal of 23120230023 is 32003202132.

It is a happy number.

It is not a de Polignac number, because 23120230023 - 25 = 23120229991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23120229978 and 23120230005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120230013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23823 + ... + 216351.

It is an arithmetic number, because the mean of its divisors is an integer number (1519254230).

Almost surely, 223120230023 is an apocalyptic number.

23120230023 is a deficient number, since it is larger than the sum of its proper divisors (13341871497).

23120230023 is a wasteful number, since it uses less digits than its factorization.

23120230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193759 (or 193756 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23120230023 its reverse (32003202132), we get a palindrome (55123432155).

The spelling of 23120230023 in words is "twenty-three billion, one hundred twenty million, two hundred thirty thousand, twenty-three".

Divisors: 1 3 9 11 33 99 1213 3639 10917 13343 40029 120087 192529 577587 1732761 2117819 6353457 19060371 233537677 700613031 2101839093 2568914447 7706743341 23120230023