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23379655531 is a prime number
BaseRepresentation
bin10101110001100010…
…010011101101101011
32020100100221120001211
4111301202103231223
5340340142434111
614423535053551
71455240536011
oct256142235553
966310846054
1023379655531
119a0822a271
1246459712b7
1322879295cb
1411bb0b88b1
1591c805521
hex571893b6b

23379655531 has 2 divisors, whose sum is σ = 23379655532. Its totient is φ = 23379655530.

The previous prime is 23379655529. The next prime is 23379655567. The reversal of 23379655531 is 13555697332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23379655531 - 21 = 23379655529 is a prime.

It is a super-2 number, since 2×233796555312 (a number of 22 digits) contains 22 as substring.

Together with 23379655529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23379655931) 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, 11689827765 + 11689827766.

It is an arithmetic number, because the mean of its divisors is an integer number (11689827766).

Almost surely, 223379655531 is an apocalyptic number.

23379655531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23379655531 is an equidigital number, since it uses as much as digits as its factorization.

23379655531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2551500, while the sum is 49.

The spelling of 23379655531 in words is "twenty-three billion, three hundred seventy-nine million, six hundred fifty-five thousand, five hundred thirty-one".