1111233023103 has 32 divisors (see below), whose sum is σ = 1777842178560. Its totient is φ = 603943401600.

The previous prime is 1111233023101. The next prime is 1111233023107. The reversal of 1111233023103 is 3013203321111.

It is a happy number.

It is not a de Polignac number, because 1111233023103 - 2¹ = 1111233023101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1111233023103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111233023101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13576248 + ... + 13657853.

It is an arithmetic number, because the mean of its divisors is an integer number (55557568080).

Almost surely, 2^{1111233023103} is an apocalyptic number.

1111233023103 is a deficient number, since it is larger than the sum of its proper divisors (666609155457).

1111233023103 is a wasteful number, since it uses less digits than its factorization.

1111233023103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27234207.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1111233023103 its reverse (3013203321111), we get a palindrome (4124436344214).

The spelling of 1111233023103 in words is "one trillion, one hundred eleven billion, two hundred thirty-three million, twenty-three thousand, one hundred three".