1231450656233 has 8 divisors (see below), whose sum is σ = 1407914957568. Its totient is φ = 1055122049664.

The previous prime is 1231450656229. The next prime is 1231450656343. The reversal of 1231450656233 is 3326560541321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231450656233 - 2² = 1231450656229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231450656833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33904241 + ... + 33940542.

It is an arithmetic number, because the mean of its divisors is an integer number (175989369696).

Almost surely, 2^{1231450656233} is an apocalyptic number.

It is an amenable number.

1231450656233 is a deficient number, since it is larger than the sum of its proper divisors (176464301335).

1231450656233 is an equidigital number, since it uses as much as digits as its factorization.

1231450656233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67847383.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 1231450656233 in words is "one trillion, two hundred thirty-one billion, four hundred fifty million, six hundred fifty-six thousand, two hundred thirty-three".