1423420200432 has 120 divisors (see below), whose sum is σ = 4031738670960. Its totient is φ = 468756910080.

The previous prime is 1423420200379. The next prime is 1423420200457. The reversal of 1423420200432 is 2340020243241.

1423420200432 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 4 + 20 + 200 + 432 = 666.

It is a super-2 number, since 2×1423420200432² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423420200396 and 1423420200405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7886494 + ... + 8064962.

It is an arithmetic number, because the mean of its divisors is an integer number (33597822258).

Almost surely, 2^{1423420200432} is an apocalyptic number.

1423420200432 is a gapful number since it is divisible by the number (12) 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 1423420200432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015869335480).

1423420200432 is an abundant number, since it is smaller than the sum of its proper divisors (2608318470528).

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

1423420200432 is a wasteful number, since it uses less digits than its factorization.

1423420200432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179151 (or 179142 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 1423420200432 its reverse (2340020243241), we get a palindrome (3763440443673).

The spelling of 1423420200432 in words is "one trillion, four hundred twenty-three billion, four hundred twenty million, two hundred thousand, four hundred thirty-two".