345523220047 has 2 divisors, whose sum is σ = 345523220048. Its totient is φ = 345523220046.

The previous prime is 345523219957. The next prime is 345523220143. The reversal of 345523220047 is 740022325543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345523220047 - 2³¹ = 343375736399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345523219988 and 345523220015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345523220747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172761610023 + 172761610024.

It is an arithmetic number, because the mean of its divisors is an integer number (172761610024).

Almost surely, 2^345523220047 is an apocalyptic number.

345523220047 is a deficient number, since it is larger than the sum of its proper divisors (1).

345523220047 is an equidigital number, since it uses as much as digits as its factorization.

345523220047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 345523220047 in words is "three hundred forty-five billion, five hundred twenty-three million, two hundred twenty thousand, forty-seven".