423024640140 has 48 divisors (see below), whose sum is σ = 1185082079328. Its totient is φ = 112748181504.

The previous prime is 423024640121. The next prime is 423024640141. The reversal of 423024640140 is 41046420324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 423024640098 and 423024640107.

It is not an unprimeable number, because it can be changed into a prime (423024640141) 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 15 ways as a sum of consecutive naturals, for example, 1707717 + ... + 1939676.

It is an arithmetic number, because the mean of its divisors is an integer number (24689209986).

Almost surely, 2^423024640140 is an apocalyptic number.

It is an amenable number.

423024640140 is an abundant number, since it is smaller than the sum of its proper divisors (762057439188).

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

423024640140 is a wasteful number, since it uses less digits than its factorization.

423024640140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649338 (or 3649336 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 423024640140 in words is "four hundred twenty-three billion, twenty-four million, six hundred forty thousand, one hundred forty".