1242313001223 has 16 divisors (see below), whose sum is σ = 1939220295936. Its totient is φ = 692578676160.

The previous prime is 1242313001221. The next prime is 1242313001323. The reversal of 1242313001223 is 3221003132421.

It is not a de Polignac number, because 1242313001223 - 2¹ = 1242313001221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242313001193 and 1242313001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242313001221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721435261 + ... + 721436982.

It is an arithmetic number, because the mean of its divisors is an integer number (121201268496).

Almost surely, 2^{1242313001223} is an apocalyptic number.

1242313001223 is a deficient number, since it is larger than the sum of its proper divisors (696907294713).

1242313001223 is a wasteful number, since it uses less digits than its factorization.

1242313001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442872294.

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

Adding to 1242313001223 its reverse (3221003132421), we get a palindrome (4463316133644).

The spelling of 1242313001223 in words is "one trillion, two hundred forty-two billion, three hundred thirteen million, one thousand, two hundred twenty-three".