1023434203432 has 16 divisors (see below), whose sum is σ = 1926901538100. Its totient is φ = 509593793280.

The previous prime is 1023434203423. The next prime is 1023434203459. The reversal of 1023434203432 is 2343024343201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 956159331556 + 67274871876 = 977834^2 + 259374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1023434203394 and 1023434203403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265411507 + ... + 265415362.

Almost surely, 2^{1023434203432} is an apocalyptic number.

It is an amenable number.

1023434203432 is a deficient number, since it is larger than the sum of its proper divisors (903467334668).

1023434203432 is a wasteful number, since it uses less digits than its factorization.

1023434203432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530827116 (or 530827112 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1023434203432 its reverse (2343024343201), we get a palindrome (3366458546633).

The spelling of 1023434203432 in words is "one trillion, twenty-three billion, four hundred thirty-four million, two hundred three thousand, four hundred thirty-two".