1241440023 has 4 divisors (see below), whose sum is σ = 1655253368. Its totient is φ = 827626680.

The previous prime is 1241440009. The next prime is 1241440027. The reversal of 1241440023 is 3200441421.

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

It is not a de Polignac number, because 1241440023 - 2¹⁴ = 1241423639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241440027) 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, 206906668 + ... + 206906673.

It is an arithmetic number, because the mean of its divisors is an integer number (413813342).

Almost surely, 2^1241440023 is an apocalyptic number.

1241440023 is a deficient number, since it is larger than the sum of its proper divisors (413813345).

1241440023 is an equidigital number, since it uses as much as digits as its factorization.

1241440023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413813344.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1241440023 is about 35234.0747430665. The cubic root of 1241440023 is about 1074.7527891617.

Adding to 1241440023 its reverse (3200441421), we get a palindrome (4441881444).

The spelling of 1241440023 in words is "one billion, two hundred forty-one million, four hundred forty thousand, twenty-three".