1011433430423 has 8 divisors (see below), whose sum is σ = 1089252513216. Its totient is φ = 933616706400.

The previous prime is 1011433430377. The next prime is 1011433430471. The reversal of 1011433430423 is 3240343341101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011433430423 - 2²⁰ = 1011432381847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011433430123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357218 + ... + 1466448.

It is an arithmetic number, because the mean of its divisors is an integer number (136156564152).

Almost surely, 2^{1011433430423} is an apocalyptic number.

1011433430423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1011433430423 is a deficient number, since it is larger than the sum of its proper divisors (77819082793).

1011433430423 is a wasteful number, since it uses less digits than its factorization.

1011433430423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179385.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1011433430423 its reverse (3240343341101), we get a palindrome (4251776771524).

The spelling of 1011433430423 in words is "one trillion, eleven billion, four hundred thirty-three million, four hundred thirty thousand, four hundred twenty-three".