1233420434432 has 22 divisors (see below), whose sum is σ = 2465636358768. Its totient is φ = 616710216704.

The previous prime is 1233420434401. The next prime is 1233420434437. The reversal of 1233420434432 is 2344340243321.

It is a super-2 number, since 2×1233420434432² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233420434392 and 1233420434401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233420434437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602255048 + ... + 602257095.

It is an arithmetic number, because the mean of its divisors is an integer number (112074379944).

Almost surely, 2^{1233420434432} is an apocalyptic number.

It is an amenable number.

1233420434432 is a deficient number, since it is larger than the sum of its proper divisors (1232215924336).

1233420434432 is an equidigital number, since it uses as much as digits as its factorization.

1233420434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204512163 (or 1204512145 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 1233420434432 its reverse (2344340243321), we get a palindrome (3577760677753).

The spelling of 1233420434432 in words is "one trillion, two hundred thirty-three billion, four hundred twenty million, four hundred thirty-four thousand, four hundred thirty-two".