1223101143409 has 4 divisors (see below), whose sum is σ = 1276279454016. Its totient is φ = 1169922832804.

The previous prime is 1223101143389. The next prime is 1223101143463. The reversal of 1223101143409 is 9043411013221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223101143409 - 2⁷ = 1223101143281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223101143109) 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, 26589155269 + ... + 26589155314.

It is an arithmetic number, because the mean of its divisors is an integer number (319069863504).

Almost surely, 2^{1223101143409} is an apocalyptic number.

It is an amenable number.

1223101143409 is a deficient number, since it is larger than the sum of its proper divisors (53178310607).

1223101143409 is an equidigital number, since it uses as much as digits as its factorization.

1223101143409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53178310606.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 1223101143409 in words is "one trillion, two hundred twenty-three billion, one hundred one million, one hundred forty-three thousand, four hundred nine".