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23011020407 is a prime number
BaseRepresentation
bin10101011011100100…
…000100111001110111
32012101200021221202002
4111123210010321313
5334111310123112
614323210005515
71443143306024
oct253344047167
965350257662
1023011020407
119839137241
12456241689b
13222944a30b
14118415a54b
158ea28a1c2
hex55b904e77

23011020407 has 2 divisors, whose sum is σ = 23011020408. Its totient is φ = 23011020406.

The previous prime is 23011020397. The next prime is 23011020433. The reversal of 23011020407 is 70402011032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23011020407 - 26 = 23011020343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23011020457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505510203 + 11505510204.

It is an arithmetic number, because the mean of its divisors is an integer number (11505510204).

Almost surely, 223011020407 is an apocalyptic number.

23011020407 is a deficient number, since it is larger than the sum of its proper divisors (1).

23011020407 is an equidigital number, since it uses as much as digits as its factorization.

23011020407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 23011020407 its reverse (70402011032), we get a palindrome (93413031439).

The spelling of 23011020407 in words is "twenty-three billion, eleven million, twenty thousand, four hundred seven".