1023123442533 has 16 divisors (see below), whose sum is σ = 1396632568320. Its totient is φ = 665865197424.

The previous prime is 1023123442531. The next prime is 1023123442547. The reversal of 1023123442533 is 3352443213201.

It is not a de Polignac number, because 1023123442533 - 2¹ = 1023123442531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023123442494 and 1023123442503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023123442531) 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 15 ways as a sum of consecutive naturals, for example, 1868091 + ... + 2352872.

It is an arithmetic number, because the mean of its divisors is an integer number (87289535520).

Almost surely, 2^{1023123442533} is an apocalyptic number.

It is an amenable number.

1023123442533 is a deficient number, since it is larger than the sum of its proper divisors (373509125787).

1023123442533 is a wasteful number, since it uses less digits than its factorization.

1023123442533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222888.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1023123442533 its reverse (3352443213201), we get a palindrome (4375566655734).

The spelling of 1023123442533 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred forty-two thousand, five hundred thirty-three".