34123450515 has 128 divisors (see below), whose sum is σ = 72254840832. Its totient is φ = 13313464320.

The previous prime is 34123450451. The next prime is 34123450523. The reversal of 34123450515 is 51505432143.

It is not a de Polignac number, because 34123450515 - 2⁶ = 34123450451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 in 127 ways as a sum of consecutive naturals, for example, 8696344 + ... + 8700266.

It is an arithmetic number, because the mean of its divisors is an integer number (564490944).

Almost surely, 2^34123450515 is an apocalyptic number.

34123450515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

34123450515 is an abundant number, since it is smaller than the sum of its proper divisors (38131390317).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34123450515 is a wasteful number, since it uses less digits than its factorization.

34123450515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 34123450515 its reverse (51505432143), we get a palindrome (85628882658).

The spelling of 34123450515 in words is "thirty-four billion, one hundred twenty-three million, four hundred fifty thousand, five hundred fifteen".