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20301323023 = 30071675113
BaseRepresentation
bin10010111010000011…
…011001101100001111
31221101211112001201201
4102322003121230033
5313034114314043
613154251450331
71316041253452
oct227203315417
957354461651
1020301323023
118678627513
123b26a569a7
131bb6c49997
14da8321499
157dc43bc4d
hex4ba0d9b0f

20301323023 has 4 divisors (see below), whose sum is σ = 20302028208. Its totient is φ = 20300617840.

The previous prime is 20301322967. The next prime is 20301323027. The reversal of 20301323023 is 32032310302.

It is a happy number.

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 20301323023 - 229 = 19764452111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301323027) 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, 307486 + ... + 367627.

It is an arithmetic number, because the mean of its divisors is an integer number (5075507052).

Almost surely, 220301323023 is an apocalyptic number.

20301323023 is a deficient number, since it is larger than the sum of its proper divisors (705185).

20301323023 is an equidigital number, since it uses as much as digits as its factorization.

20301323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705184.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20301323023 its reverse (32032310302), we get a palindrome (52333633325).

The spelling of 20301323023 in words is "twenty billion, three hundred one million, three hundred twenty-three thousand, twenty-three".

Divisors: 1 30071 675113 20301323023