1204431523434 has 64 divisors (see below), whose sum is σ = 2728431129600. Its totient is φ = 393742484784.

The previous prime is 1204431523423. The next prime is 1204431523487. The reversal of 1204431523434 is 4343251344021.

1204431523434 is a `hidden beast` number, since 1 + 2 + 0 + 443 + 152 + 34 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88027 + ... + 1554545.

It is an arithmetic number, because the mean of its divisors is an integer number (42631736400).

Almost surely, 2^{1204431523434} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204431523434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364215564800).

1204431523434 is an abundant number, since it is smaller than the sum of its proper divisors (1523999606166).

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

1204431523434 is a wasteful number, since it uses less digits than its factorization.

1204431523434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466824 (or 1466818 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 1204431523434 its reverse (4343251344021), we get a palindrome (5547682867455).

The spelling of 1204431523434 in words is "one trillion, two hundred four billion, four hundred thirty-one million, five hundred twenty-three thousand, four hundred thirty-four".