423102213240 has 128 divisors (see below), whose sum is σ = 1450854720000. Its totient is φ = 96694507008.

The previous prime is 423102213199. The next prime is 423102213293. The reversal of 423102213240 is 42312201324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 423102213240.

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 31 ways as a sum of consecutive naturals, for example, 6138891 + ... + 6207429.

It is an arithmetic number, because the mean of its divisors is an integer number (11334802500).

Almost surely, 2^423102213240 is an apocalyptic number.

423102213240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423102213240 is an abundant number, since it is smaller than the sum of its proper divisors (1027752506760).

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

423102213240 is a wasteful number, since it uses less digits than its factorization.

423102213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75909 (or 75905 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 423102213240 its reverse (42312201324), we get a palindrome (465414414564).

The spelling of 423102213240 in words is "four hundred twenty-three billion, one hundred two million, two hundred thirteen thousand, two hundred forty".