1232403134440 has 32 divisors (see below), whose sum is σ = 2774130418080. Its totient is φ = 492743766592.

The previous prime is 1232403134419. The next prime is 1232403134491. The reversal of 1232403134440 is 444313042321.

It is a super-2 number, since 2×1232403134440² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6704662 + ... + 6886021.

It is an arithmetic number, because the mean of its divisors is an integer number (86691575565).

Almost surely, 2^{1232403134440} is an apocalyptic number.

1232403134440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232403134440 is an abundant number, since it is smaller than the sum of its proper divisors (1541727283640).

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

1232403134440 is a wasteful number, since it uses less digits than its factorization.

1232403134440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592961 (or 13592957 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1232403134440 its reverse (444313042321), we get a palindrome (1676716176761).

The spelling of 1232403134440 in words is "one trillion, two hundred thirty-two billion, four hundred three million, one hundred thirty-four thousand, four hundred forty".