12535444404523 has 32 divisors (see below), whose sum is σ = 14014305123840. Its totient is φ = 11142835683840.

The previous prime is 12535444404517. The next prime is 12535444404533. The reversal of 12535444404523 is 32540444453521.

It is a cyclic number.

It is not a de Polignac number, because 12535444404523 - 2¹³ = 12535444396331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12535444404533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144469090 + ... + 144555832.

It is an arithmetic number, because the mean of its divisors is an integer number (437947035120).

Almost surely, 2^{12535444404523} is an apocalyptic number.

12535444404523 is a deficient number, since it is larger than the sum of its proper divisors (1478860719317).

12535444404523 is a wasteful number, since it uses less digits than its factorization.

12535444404523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88147.

The product of its (nonzero) digits is 4608000, while the sum is 46.

The spelling of 12535444404523 in words is "twelve trillion, five hundred thirty-five billion, four hundred forty-four million, four hundred four thousand, five hundred twenty-three".