1223501151403 has 4 divisors (see below), whose sum is σ = 1223524988320. Its totient is φ = 1223477314488.

The previous prime is 1223501151391. The next prime is 1223501151427. The reversal of 1223501151403 is 3041511053221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1223501151403 - 2¹⁷ = 1223501020331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223501151503) 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, 11841300 + ... + 11944177.

It is an arithmetic number, because the mean of its divisors is an integer number (305881247080).

Almost surely, 2^{1223501151403} is an apocalyptic number.

1223501151403 is a deficient number, since it is larger than the sum of its proper divisors (23836917).

1223501151403 is an equidigital number, since it uses as much as digits as its factorization.

1223501151403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23836916.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 1223501151403 in words is "one trillion, two hundred twenty-three billion, five hundred one million, one hundred fifty-one thousand, four hundred three".