423156259600 has 120 divisors (see below), whose sum is σ = 1033057163840. Its totient is φ = 166548994560.

The previous prime is 423156259597. The next prime is 423156259633. The reversal of 423156259600 is 6952651324.

It is a super-2 number, since 2×423156259600² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6435691 + ... + 6501109.

Almost surely, 2^423156259600 is an apocalyptic number.

423156259600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423156259600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516528581920).

423156259600 is an abundant number, since it is smaller than the sum of its proper divisors (609900904240).

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

423156259600 is a wasteful number, since it uses less digits than its factorization.

423156259600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65697 (or 65686 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 423156259600 in words is "four hundred twenty-three billion, one hundred fifty-six million, two hundred fifty-nine thousand, six hundred".