1241943623 has 4 divisors (see below), whose sum is σ = 1245911808. Its totient is φ = 1237975440.

The previous prime is 1241943617. The next prime is 1241943641. The reversal of 1241943623 is 3263491421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3263491421 = 20269 ⋅161009.

It is a cyclic number.

It is not a de Polignac number, because 1241943623 - 2¹² = 1241939527 is a prime.

It is a super-2 number, since 2×1241943623² = 3084847925420732258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241943023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1983623 + ... + 1984248.

It is an arithmetic number, because the mean of its divisors is an integer number (311477952).

Almost surely, 2^1241943623 is an apocalyptic number.

1241943623 is a deficient number, since it is larger than the sum of its proper divisors (3968185).

1241943623 is an equidigital number, since it uses as much as digits as its factorization.

1241943623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968184.

The product of its digits is 31104, while the sum is 35.

The square root of 1241943623 is about 35241.2205095113. The cubic root of 1241943623 is about 1074.8980968486.

The spelling of 1241943623 in words is "one billion, two hundred forty-one million, nine hundred forty-three thousand, six hundred twenty-three".