1241136455623 has 4 divisors (see below), whose sum is σ = 1241325170800. Its totient is φ = 1240947740448.

The previous prime is 1241136455561. The next prime is 1241136455627. The reversal of 1241136455623 is 3265546311421.

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 1241136455623 - 2²⁵ = 1241102901191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241136455623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241136455627) 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, 94347723 + ... + 94360876.

It is an arithmetic number, because the mean of its divisors is an integer number (310331292700).

Almost surely, 2^{1241136455623} is an apocalyptic number.

1241136455623 is a deficient number, since it is larger than the sum of its proper divisors (188715177).

1241136455623 is an equidigital number, since it uses as much as digits as its factorization.

1241136455623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188715176.

The product of its digits is 518400, while the sum is 43.

The spelling of 1241136455623 in words is "one trillion, two hundred forty-one billion, one hundred thirty-six million, four hundred fifty-five thousand, six hundred twenty-three".