1023542413433 has 4 divisors (see below), whose sum is σ = 1023564082320. Its totient is φ = 1023520744548.

The previous prime is 1023542413351. The next prime is 1023542413451. The reversal of 1023542413433 is 3343142453201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023542413433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023542413393 and 1023542413402.

It is not an unprimeable number, because it can be changed into a prime (1023542413483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10763435 + ... + 10858112.

It is an arithmetic number, because the mean of its divisors is an integer number (255891020580).

Almost surely, 2^{1023542413433} is an apocalyptic number.

It is an amenable number.

1023542413433 is a deficient number, since it is larger than the sum of its proper divisors (21668887).

1023542413433 is an equidigital number, since it uses as much as digits as its factorization.

1023542413433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21668886.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 1023542413433 its reverse (3343142453201), we get a palindrome (4366684866634).

The spelling of 1023542413433 in words is "one trillion, twenty-three billion, five hundred forty-two million, four hundred thirteen thousand, four hundred thirty-three".