612388610823 has 48 divisors (see below), whose sum is σ = 957834585216. Its totient is φ = 344976166080.

The previous prime is 612388610807. The next prime is 612388610833. The reversal of 612388610823 is 328016883216.

It is not a de Polignac number, because 612388610823 - 2⁴ = 612388610807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612388610833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146436 + ... + 1116342.

It is an arithmetic number, because the mean of its divisors is an integer number (19954887192).

Almost surely, 2^612388610823 is an apocalyptic number.

612388610823 is a deficient number, since it is larger than the sum of its proper divisors (345445974393).

612388610823 is a wasteful number, since it uses less digits than its factorization.

612388610823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970012 (or 969993 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 612388610823 in words is "six hundred twelve billion, three hundred eighty-eight million, six hundred ten thousand, eight hundred twenty-three".