1223140310403 has 16 divisors (see below), whose sum is σ = 1796728165632. Its totient is φ = 733957580000.

The previous prime is 1223140310401. The next prime is 1223140310417. The reversal of 1223140310403 is 3040130413221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1223140310403 - 2¹ = 1223140310401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223140310401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183486063 + ... + 183492728.

It is an arithmetic number, because the mean of its divisors is an integer number (112295510352).

Almost surely, 2^{1223140310403} is an apocalyptic number.

1223140310403 is a deficient number, since it is larger than the sum of its proper divisors (573587855229).

1223140310403 is a wasteful number, since it uses less digits than its factorization.

1223140310403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366978906.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1223140310403 its reverse (3040130413221), we get a palindrome (4263270723624).

The spelling of 1223140310403 in words is "one trillion, two hundred twenty-three billion, one hundred forty million, three hundred ten thousand, four hundred three".