34345440423 has 56 divisors (see below), whose sum is σ = 60749674496. Its totient is φ = 18992782800.

The previous prime is 34345440413. The next prime is 34345440449. The reversal of 34345440423 is 32404454343.

It is not a de Polignac number, because 34345440423 - 2⁴ = 34345440407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34345440403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 49638 + ... + 266748.

It is an arithmetic number, because the mean of its divisors is an integer number (1084815616).

Almost surely, 2^34345440423 is an apocalyptic number.

34345440423 is a deficient number, since it is larger than the sum of its proper divisors (26404234073).

34345440423 is an equidigital number, since it uses as much as digits as its factorization.

34345440423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217167 (or 217152 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 34345440423 its reverse (32404454343), we get a palindrome (66749894766).

The spelling of 34345440423 in words is "thirty-four billion, three hundred forty-five million, four hundred forty thousand, four hundred twenty-three".