1023112533401 has 4 divisors (see below), whose sum is σ = 1169271466752. Its totient is φ = 876953600052.

The previous prime is 1023112533299. The next prime is 1023112533419. The reversal of 1023112533401 is 1043352113201.

1023112533401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-1023112533401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023112533481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73079466665 + ... + 73079466678.

It is an arithmetic number, because the mean of its divisors is an integer number (292317866688).

Almost surely, 2^{1023112533401} is an apocalyptic number.

It is an amenable number.

1023112533401 is a deficient number, since it is larger than the sum of its proper divisors (146158933351).

1023112533401 is an equidigital number, since it uses as much as digits as its factorization.

1023112533401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146158933350.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1023112533401 its reverse (1043352113201), we get a palindrome (2066464646602).

The spelling of 1023112533401 in words is "one trillion, twenty-three billion, one hundred twelve million, five hundred thirty-three thousand, four hundred one".