612353620233 has 24 divisors (see below), whose sum is σ = 963169646400. Its totient is φ = 373413456864.

The previous prime is 612353620217. The next prime is 612353620243. The reversal of 612353620233 is 332026353216.

612353620233 is a `hidden beast` number, since 6 + 1 + 2 + 3 + 5 + 3 + 620 + 23 + 3 = 666.

It is not a de Polignac number, because 612353620233 - 2⁴ = 612353620217 is a prime.

It is a super-2 number, since 2×612353620233² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612353620243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61736685 + ... + 61746602.

It is an arithmetic number, because the mean of its divisors is an integer number (40132068600).

Almost surely, 2^612353620233 is an apocalyptic number.

It is an amenable number.

612353620233 is a deficient number, since it is larger than the sum of its proper divisors (350816026167).

612353620233 is a wasteful number, since it uses less digits than its factorization.

612353620233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123483341 (or 123483338 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 612353620233 its reverse (332026353216), we get a palindrome (944379973449).

The spelling of 612353620233 in words is "six hundred twelve billion, three hundred fifty-three million, six hundred twenty thousand, two hundred thirty-three".