612823454243 has 32 divisors (see below), whose sum is σ = 839604057600. Its totient is φ = 440792059680.

The previous prime is 612823454233. The next prime is 612823454249. The reversal of 612823454243 is 342454328216.

It is not a de Polignac number, because 612823454243 - 2⁶ = 612823454179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612823454194 and 612823454203.

It is not an unprimeable number, because it can be changed into a prime (612823454249) 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, 6198005 + ... + 6296102.

It is an arithmetic number, because the mean of its divisors is an integer number (26237626800).

Almost surely, 2^612823454243 is an apocalyptic number.

612823454243 is a deficient number, since it is larger than the sum of its proper divisors (226780603357).

612823454243 is a wasteful number, since it uses less digits than its factorization.

612823454243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494152 (or 12494138 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 44.

The spelling of 612823454243 in words is "six hundred twelve billion, eight hundred twenty-three million, four hundred fifty-four thousand, two hundred forty-three".