34564645123 has 4 divisors (see below), whose sum is σ = 36597859560. Its totient is φ = 32531430688.

The previous prime is 34564645121. The next prime is 34564645133. The reversal of 34564645123 is 32154646543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 34564645123 - 2¹ = 34564645121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34564645123.

It is not an unprimeable number, because it can be changed into a prime (34564645121) 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, 1016607193 + ... + 1016607226.

It is an arithmetic number, because the mean of its divisors is an integer number (9149464890).

Almost surely, 2^34564645123 is an apocalyptic number.

34564645123 is a deficient number, since it is larger than the sum of its proper divisors (2033214437).

34564645123 is a wasteful number, since it uses less digits than its factorization.

34564645123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033214436.

The product of its digits is 1036800, while the sum is 43.

The spelling of 34564645123 in words is "thirty-four billion, five hundred sixty-four million, six hundred forty-five thousand, one hundred twenty-three".