1224202023403 has 4 divisors (see below), whose sum is σ = 1226823441480. Its totient is φ = 1221580605328.

The previous prime is 1224202023353. The next prime is 1224202023431. The reversal of 1224202023403 is 3043202024221.

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-1224202023403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224202023463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310708338 + ... + 1310709271.

It is an arithmetic number, because the mean of its divisors is an integer number (306705860370).

Almost surely, 2^{1224202023403} is an apocalyptic number.

1224202023403 is a deficient number, since it is larger than the sum of its proper divisors (2621418077).

1224202023403 is an equidigital number, since it uses as much as digits as its factorization.

1224202023403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621418076.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1224202023403 its reverse (3043202024221), we get a palindrome (4267404047624).

The spelling of 1224202023403 in words is "one trillion, two hundred twenty-four billion, two hundred two million, twenty-three thousand, four hundred three".