423505241040 has 80 divisors (see below), whose sum is σ = 1500418574208. Its totient is φ = 96801197568.

The previous prime is 423505241039. The next prime is 423505241041. The reversal of 423505241040 is 40142505324.

It is an interprime number because it is at equal distance from previous prime (423505241039) and next prime (423505241041).

It is a tau number, because it is divible by the number of its divisors (80).

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 = 423505240989 and 423505241007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423505241041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126041547 + ... + 126044906.

Almost surely, 2^423505241040 is an apocalyptic number.

423505241040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423505241040 is an abundant number, since it is smaller than the sum of its proper divisors (1076913333168).

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

423505241040 is a wasteful number, since it uses less digits than its factorization.

423505241040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252086476 (or 252086470 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 423505241040 its reverse (40142505324), we get a palindrome (463647746364).

The spelling of 423505241040 in words is "four hundred twenty-three billion, five hundred five million, two hundred forty-one thousand, forty".