Search a number
-
+
23491113379 is a prime number
BaseRepresentation
bin10101111000001011…
…011111000110100011
32020122010200012111021
4111320023133012203
5341102211112004
614443000030311
71461063112006
oct257013370643
966563605437
1023491113379
119a65137198
124677162397
1322a4a523b6
1411cbc0d53d
159274bed54
hex5782df1a3

23491113379 has 2 divisors, whose sum is σ = 23491113380. Its totient is φ = 23491113378.

The previous prime is 23491113377. The next prime is 23491113389. The reversal of 23491113379 is 97331119432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23491113379 - 21 = 23491113377 is a prime.

Together with 23491113377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23491113377) 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, 11745556689 + 11745556690.

It is an arithmetic number, because the mean of its divisors is an integer number (11745556690).

Almost surely, 223491113379 is an apocalyptic number.

23491113379 is a deficient number, since it is larger than the sum of its proper divisors (1).

23491113379 is an equidigital number, since it uses as much as digits as its factorization.

23491113379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The spelling of 23491113379 in words is "twenty-three billion, four hundred ninety-one million, one hundred thirteen thousand, three hundred seventy-nine".