345626626523 has 2 divisors, whose sum is σ = 345626626524. Its totient is φ = 345626626522.

The previous prime is 345626626519. The next prime is 345626626529. The reversal of 345626626523 is 325626626543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345626626523 - 2² = 345626626519 is a prime.

It is not a weakly prime, because it can be changed into another prime (345626626529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172813313261 + 172813313262.

It is an arithmetic number, because the mean of its divisors is an integer number (172813313262).

Almost surely, 2^345626626523 is an apocalyptic number.

345626626523 is a deficient number, since it is larger than the sum of its proper divisors (1).

345626626523 is an equidigital number, since it uses as much as digits as its factorization.

345626626523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 50.

The spelling of 345626626523 in words is "three hundred forty-five billion, six hundred twenty-six million, six hundred twenty-six thousand, five hundred twenty-three".