34220621523 has 16 divisors (see below), whose sum is σ = 49808860416. Its totient is φ = 20725849440.

The previous prime is 34220621521. The next prime is 34220621569. The reversal of 34220621523 is 32512602243.

It is not a de Polignac number, because 34220621523 - 2¹ = 34220621521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34220621521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298015 + ... + 396552.

It is an arithmetic number, because the mean of its divisors is an integer number (3113053776).

Almost surely, 2^34220621523 is an apocalyptic number.

34220621523 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34220621523 is a deficient number, since it is larger than the sum of its proper divisors (15588238893).

34220621523 is a wasteful number, since it uses less digits than its factorization.

34220621523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696074.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 34220621523 in words is "thirty-four billion, two hundred twenty million, six hundred twenty-one thousand, five hundred twenty-three".