1232456243523 has 8 divisors (see below), whose sum is σ = 1643420472000. Its totient is φ = 821564755368.

The previous prime is 1232456243489. The next prime is 1232456243591. The reversal of 1232456243523 is 3253426542321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232456243523 - 2²² = 1232452049219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232456247523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18145533 + ... + 18213326.

It is an arithmetic number, because the mean of its divisors is an integer number (205427559000).

Almost surely, 2^{1232456243523} is an apocalyptic number.

1232456243523 is a deficient number, since it is larger than the sum of its proper divisors (410964228477).

1232456243523 is a wasteful number, since it uses less digits than its factorization.

1232456243523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36370161.

The product of its digits is 1036800, while the sum is 42.

The spelling of 1232456243523 in words is "one trillion, two hundred thirty-two billion, four hundred fifty-six million, two hundred forty-three thousand, five hundred twenty-three".