1203021210023 has 16 divisors (see below), whose sum is σ = 1263418844160. Its totient is φ = 1143302317344.

The previous prime is 1203021209987. The next prime is 1203021210091. The reversal of 1203021210023 is 3200121203021.

It is a cyclic number.

It is not a de Polignac number, because 1203021210023 - 2¹⁰ = 1203021208999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203021209983 and 1203021210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203021212023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12484913 + ... + 12580901.

It is an arithmetic number, because the mean of its divisors is an integer number (78963677760).

Almost surely, 2^{1203021210023} is an apocalyptic number.

1203021210023 is a deficient number, since it is larger than the sum of its proper divisors (60397634137).

1203021210023 is a wasteful number, since it uses less digits than its factorization.

1203021210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99518.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1203021210023 its reverse (3200121203021), we get a palindrome (4403142413044).

The spelling of 1203021210023 in words is "one trillion, two hundred three billion, twenty-one million, two hundred ten thousand, twenty-three".