1232423430400 has 54 divisors (see below), whose sum is σ = 3050440572242. Its totient is φ = 492969369600.

The previous prime is 1232423430379. The next prime is 1232423430409. The reversal of 1232423430400 is 40343242321.

It can be written as a sum of positive squares in 3 ways, for example, as 104375517184 + 1128047913216 = 323072^2 + 1062096^2 .

It is not an unprimeable number, because it can be changed into a prime (1232423430409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96276681 + ... + 96289480.

Almost surely, 2^{1232423430400} is an apocalyptic number.

1232423430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232423430400 is an abundant number, since it is smaller than the sum of its proper divisors (1818017141842).

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

1232423430400 is an equidigital number, since it uses as much as digits as its factorization.

1232423430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192566187 (or 192566168 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1232423430400 its reverse (40343242321), we get a palindrome (1272766672721).

The spelling of 1232423430400 in words is "one trillion, two hundred thirty-two billion, four hundred twenty-three million, four hundred thirty thousand, four hundred".