423851402044 has 48 divisors (see below), whose sum is σ = 885866946048. Its totient is φ = 173495919168.

The previous prime is 423851402017. The next prime is 423851402111. The reversal of 423851402044 is 440204158324.

It is a super-2 number, since 2×423851402044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423851401994 and 423851402012.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50094 + ... + 922069.

It is an arithmetic number, because the mean of its divisors is an integer number (18455561376).

Almost surely, 2^423851402044 is an apocalyptic number.

It is an amenable number.

423851402044 is an abundant number, since it is smaller than the sum of its proper divisors (462015544004).

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

423851402044 is a wasteful number, since it uses less digits than its factorization.

423851402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972874 (or 972872 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 37.

The spelling of 423851402044 in words is "four hundred twenty-three billion, eight hundred fifty-one million, four hundred two thousand, forty-four".