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23613072979 is a prime number
BaseRepresentation
bin10101111111011100…
…101110011001010011
32020221122011101121111
4111333130232121103
5341324421313404
614503034034151
71464103544236
oct257734563123
966848141544
1023613072979
11a017a67251
1246abb78957
1322c40b4242
1412000b941d
15933061104
hex57f72e653

23613072979 has 2 divisors, whose sum is σ = 23613072980. Its totient is φ = 23613072978.

The previous prime is 23613072971. The next prime is 23613073021. The reversal of 23613072979 is 97927031632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23613072979 - 23 = 23613072971 is a prime.

It is not a weakly prime, because it can be changed into another prime (23613072971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11806536489 + 11806536490.

It is an arithmetic number, because the mean of its divisors is an integer number (11806536490).

Almost surely, 223613072979 is an apocalyptic number.

23613072979 is a deficient number, since it is larger than the sum of its proper divisors (1).

23613072979 is an equidigital number, since it uses as much as digits as its factorization.

23613072979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 23613072979 in words is "twenty-three billion, six hundred thirteen million, seventy-two thousand, nine hundred seventy-nine".