223631131379 has 2 divisors, whose sum is σ = 223631131380. Its totient is φ = 223631131378.

The previous prime is 223631131369. The next prime is 223631131403. The reversal of 223631131379 is 973131136322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223631131379 - 2²⁸ = 223362695923 is a prime.

It is not a weakly prime, because it can be changed into another prime (223631131369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111815565689 + 111815565690.

It is an arithmetic number, because the mean of its divisors is an integer number (111815565690).

Almost surely, 2^223631131379 is an apocalyptic number.

223631131379 is a deficient number, since it is larger than the sum of its proper divisors (1).

223631131379 is an equidigital number, since it uses as much as digits as its factorization.

223631131379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The spelling of 223631131379 in words is "two hundred twenty-three billion, six hundred thirty-one million, one hundred thirty-one thousand, three hundred seventy-nine".