1241204021423 has 8 divisors (see below), whose sum is σ = 1242265103520. Its totient is φ = 1240143125760.

The previous prime is 1241204021399. The next prime is 1241204021429. The reversal of 1241204021423 is 3241204021421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241204021423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241204021392 and 1241204021401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241204021429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15440711 + ... + 15520887.

It is an arithmetic number, because the mean of its divisors is an integer number (155283137940).

Almost surely, 2^{1241204021423} is an apocalyptic number.

1241204021423 is a deficient number, since it is larger than the sum of its proper divisors (1061082097).

1241204021423 is a wasteful number, since it uses less digits than its factorization.

1241204021423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93217.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1241204021423 its reverse (3241204021421), we get a palindrome (4482408042844).

The spelling of 1241204021423 in words is "one trillion, two hundred forty-one billion, two hundred four million, twenty-one thousand, four hundred twenty-three".