423860149860 has 576 divisors, whose sum is σ = 1510979420160. Its totient is φ = 88179840000.

The previous prime is 423860149849. The next prime is 423860149901. The reversal of 423860149860 is 68941068324.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 261479850 + ... + 261481470.

It is an arithmetic number, because the mean of its divisors is an integer number (2623228160).

Almost surely, 2^423860149860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423860149860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (755489710080).

423860149860 is an abundant number, since it is smaller than the sum of its proper divisors (1087119270300).

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

423860149860 is a wasteful number, since it uses less digits than its factorization.

423860149860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 423860149860 in words is "four hundred twenty-three billion, eight hundred sixty million, one hundred forty-nine thousand, eight hundred sixty".