423631340566850 has 24 divisors (see below), whose sum is σ = 848566162182900. Its totient is φ = 156417725747520.

The previous prime is 423631340566849. The next prime is 423631340566859. The reversal of 423631340566850 is 58665043136324.

It can be written as a sum of positive squares in 6 ways, for example, as 31579420876249 + 392051919690601 = 5619557^2 + 19800301^2 .

It is not an unprimeable number, because it can be changed into a prime (423631340566859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325870261325 + ... + 325870262624.

Almost surely, 2^{423631340566850} is an apocalyptic number.

423631340566850 is an abundant number, since it is smaller than the sum of its proper divisors (424934821616050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423631340566850 is a wasteful number, since it uses less digits than its factorization.

423631340566850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651740523974 (or 651740523969 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 56.

The spelling of 423631340566850 in words is "four hundred twenty-three trillion, six hundred thirty-one billion, three hundred forty million, five hundred sixty-six thousand, eight hundred fifty".