1023011112103 has 4 divisors (see below), whose sum is σ = 1023306698088. Its totient is φ = 1022715526120.

The previous prime is 1023011112083. The next prime is 1023011112121. The reversal of 1023011112103 is 3012111103201.

It is a happy number.

1023011112103 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023011112103 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 (1023011112133) 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, 147787801 + ... + 147794722.

It is an arithmetic number, because the mean of its divisors is an integer number (255826674522).

Almost surely, 2^{1023011112103} is an apocalyptic number.

1023011112103 is a deficient number, since it is larger than the sum of its proper divisors (295585985).

1023011112103 is an equidigital number, since it uses as much as digits as its factorization.

1023011112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295585984.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1023011112103 its reverse (3012111103201), we get a palindrome (4035122215304).

It can be divided in two parts, 102301 and 1112103, that added together give a square (1214404 = 1102²).

The spelling of 1023011112103 in words is "one trillion, twenty-three billion, eleven million, one hundred twelve thousand, one hundred three".