1230423432 has 64 divisors (see below), whose sum is σ = 3700531200. Its totient is φ = 333046080.

The previous prime is 1230423427. The next prime is 1230423463. The reversal of 1230423432 is 2343240321.

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

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 15 ways as a sum of consecutive naturals, for example, 189544 + ... + 195927.

It is an arithmetic number, because the mean of its divisors is an integer number (57820800).

Almost surely, 2^1230423432 is an apocalyptic number.

1230423432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230423432 is an abundant number, since it is smaller than the sum of its proper divisors (2470107768).

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

1230423432 is a wasteful number, since it uses less digits than its factorization.

1230423432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385506 (or 385502 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1230423432 is about 35077.3920353267. The cubic root of 1230423432 is about 1071.5642047772.

Adding to 1230423432 its reverse (2343240321), we get a palindrome (3573663753).

The spelling of 1230423432 in words is "one billion, two hundred thirty million, four hundred twenty-three thousand, four hundred thirty-two".