1223434143432 has 96 divisors (see below), whose sum is σ = 3441130286880. Its totient is φ = 392382144000.

The previous prime is 1223434143431. The next prime is 1223434143487. The reversal of 1223434143432 is 2343414343221.

1223434143432 is a `hidden beast` number, since 1 + 2 + 234 + 3 + 414 + 3 + 4 + 3 + 2 = 666.

It is a super-2 number, since 2×1223434143432² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1223434143431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2741569 + ... + 3156432.

It is an arithmetic number, because the mean of its divisors is an integer number (35845107155).

Almost surely, 2^{1223434143432} is an apocalyptic number.

1223434143432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223434143432 is an abundant number, since it is smaller than the sum of its proper divisors (2217696143448).

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

1223434143432 is a wasteful number, since it uses less digits than its factorization.

1223434143432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898123 (or 5898116 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 1223434143432 its reverse (2343414343221), we get a palindrome (3566848486653).

The spelling of 1223434143432 in words is "one trillion, two hundred twenty-three billion, four hundred thirty-four million, one hundred forty-three thousand, four hundred thirty-two".