344878023523 has 16 divisors (see below), whose sum is σ = 388449515520. Its totient is φ = 303347318400.

The previous prime is 344878023517. The next prime is 344878023527. The reversal of 344878023523 is 325320878443.

It is a cyclic number.

It is not a de Polignac number, because 344878023523 - 2¹³ = 344878015331 is a prime.

It is a super-2 number, since 2×344878023523² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344878023527) 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, 1537618 + ... + 1747576.

It is an arithmetic number, because the mean of its divisors is an integer number (24278094720).

Almost surely, 2^344878023523 is an apocalyptic number.

344878023523 is a deficient number, since it is larger than the sum of its proper divisors (43571491997).

344878023523 is a wasteful number, since it uses less digits than its factorization.

344878023523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214818.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 344878023523 in words is "three hundred forty-four billion, eight hundred seventy-eight million, twenty-three thousand, five hundred twenty-three".