423550243400 has 48 divisors (see below), whose sum is σ = 1042681048740. Its totient is φ = 159454208000.

The previous prime is 423550243397. The next prime is 423550243409. The reversal of 423550243400 is 4342055324.

It can be written as a sum of positive squares in 6 ways, for example, as 310144292836 + 113405950564 = 556906^2 + 336758^2 .

It is not an unprimeable number, because it can be changed into a prime (423550243409) 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 11 ways as a sum of consecutive naturals, for example, 62283401 + ... + 62290200.

Almost surely, 2^423550243400 is an apocalyptic number.

423550243400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423550243400 is an abundant number, since it is smaller than the sum of its proper divisors (619130805340).

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

423550243400 is a wasteful number, since it uses less digits than its factorization.

423550243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124573634 (or 124573625 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 423550243400 its reverse (4342055324), we get a palindrome (427892298724).

The spelling of 423550243400 in words is "four hundred twenty-three billion, five hundred fifty million, two hundred forty-three thousand, four hundred".