123353243441 has 4 divisors (see below), whose sum is σ = 123559176000. Its totient is φ = 123147310884.

The previous prime is 123353243383. The next prime is 123353243471. The reversal of 123353243441 is 144342353321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144342353321 = 223 ⋅647275127.

It is a cyclic number.

It is not a de Polignac number, because 123353243441 - 2²² = 123349049137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123353243471) 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, 102965381 + ... + 102966578.

It is an arithmetic number, because the mean of its divisors is an integer number (30889794000).

Almost surely, 2^123353243441 is an apocalyptic number.

It is an amenable number.

123353243441 is a deficient number, since it is larger than the sum of its proper divisors (205932559).

123353243441 is an equidigital number, since it uses as much as digits as its factorization.

123353243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205932558.

The product of its digits is 103680, while the sum is 35.

Adding to 123353243441 its reverse (144342353321), we get a palindrome (267695596762).

The spelling of 123353243441 in words is "one hundred twenty-three billion, three hundred fifty-three million, two hundred forty-three thousand, four hundred forty-one".