34256523121 has 4 divisors (see below), whose sum is σ = 34271439012. Its totient is φ = 34241607232.

The previous prime is 34256523113. The next prime is 34256523131. The reversal of 34256523121 is 12132565243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22224846400 + 12031676721 = 149080^2 + 109689^2 .

It is a cyclic number.

It is not a de Polignac number, because 34256523121 - 2³ = 34256523113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34256523131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7454500 + ... + 7459093.

It is an arithmetic number, because the mean of its divisors is an integer number (8567859753).

Almost surely, 2^34256523121 is an apocalyptic number.

It is an amenable number.

34256523121 is a deficient number, since it is larger than the sum of its proper divisors (14915891).

34256523121 is a wasteful number, since it uses less digits than its factorization.

34256523121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915890.

The product of its digits is 43200, while the sum is 34.

The spelling of 34256523121 in words is "thirty-four billion, two hundred fifty-six million, five hundred twenty-three thousand, one hundred twenty-one".