343622813553923 has 2 divisors, whose sum is σ = 343622813553924. Its totient is φ = 343622813553922.

The previous prime is 343622813553919. The next prime is 343622813553949. The reversal of 343622813553923 is 329355318226343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343622813553923 - 2² = 343622813553919 is a prime.

It is not a weakly prime, because it can be changed into another prime (343622813553973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171811406776961 + 171811406776962.

It is an arithmetic number, because the mean of its divisors is an integer number (171811406776962).

Almost surely, 2^{343622813553923} is an apocalyptic number.

343622813553923 is a deficient number, since it is larger than the sum of its proper divisors (1).

343622813553923 is an equidigital number, since it uses as much as digits as its factorization.

343622813553923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83980800, while the sum is 59.

The spelling of 343622813553923 in words is "three hundred forty-three trillion, six hundred twenty-two billion, eight hundred thirteen million, five hundred fifty-three thousand, nine hundred twenty-three".