345215433623 has 2 divisors, whose sum is σ = 345215433624. Its totient is φ = 345215433622.

The previous prime is 345215433613. The next prime is 345215433643. The reversal of 345215433623 is 326334512543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345215433623 - 2⁶ = 345215433559 is a prime.

It is a super-2 number, since 2×345215433623² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345215433613) 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, 172607716811 + 172607716812.

It is an arithmetic number, because the mean of its divisors is an integer number (172607716812).

Almost surely, 2^345215433623 is an apocalyptic number.

345215433623 is a deficient number, since it is larger than the sum of its proper divisors (1).

345215433623 is an equidigital number, since it uses as much as digits as its factorization.

345215433623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 41.

The spelling of 345215433623 in words is "three hundred forty-five billion, two hundred fifteen million, four hundred thirty-three thousand, six hundred twenty-three".