1220432130423 has 48 divisors (see below), whose sum is σ = 2036417760000. Its totient is φ = 696082141440.

The previous prime is 1220432130419. The next prime is 1220432130433. The reversal of 1220432130423 is 3240312340221.

1220432130423 is a `hidden beast` number, since 1 + 2 + 20 + 4 + 3 + 213 + 0 + 423 = 666.

It is not a de Polignac number, because 1220432130423 - 2² = 1220432130419 is a prime.

It is a super-3 number, since 3×1220432130423³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220432130403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22691958 + ... + 22745676.

It is an arithmetic number, because the mean of its divisors is an integer number (42425370000).

Almost surely, 2^{1220432130423} is an apocalyptic number.

1220432130423 is a deficient number, since it is larger than the sum of its proper divisors (815985629577).

1220432130423 is a wasteful number, since it uses less digits than its factorization.

1220432130423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67252 (or 67249 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1220432130423 its reverse (3240312340221), we get a palindrome (4460744470644).

The spelling of 1220432130423 in words is "one trillion, two hundred twenty billion, four hundred thirty-two million, one hundred thirty thousand, four hundred twenty-three".