Search a number
-
+
23918071874087 is a prime number
BaseRepresentation
bin1010111000000110111000…
…01011011000001000100111
310010200112201112221012002002
411130003130023120020213
511113333202344432322
6122511451024035515
75016011055322046
oct534033413301047
9103615645835062
1023918071874087
117691663037036
122823595a62b9b
131046606676b51
145c98d871655d
152b726d45ac92
hex15c0dc2d8227

23918071874087 has 2 divisors, whose sum is σ = 23918071874088. Its totient is φ = 23918071874086.

The previous prime is 23918071874063. The next prime is 23918071874141. The reversal of 23918071874087 is 78047817081932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23918071874087 - 210 = 23918071873063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23918071874057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959035937043 + 11959035937044.

It is an arithmetic number, because the mean of its divisors is an integer number (11959035937044).

Almost surely, 223918071874087 is an apocalyptic number.

23918071874087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23918071874087 is an equidigital number, since it uses as much as digits as its factorization.

23918071874087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37933056, while the sum is 65.

The spelling of 23918071874087 in words is "twenty-three trillion, nine hundred eighteen billion, seventy-one million, eight hundred seventy-four thousand, eighty-seven".