123401011443 has 8 divisors (see below), whose sum is σ = 164537989056. Its totient is φ = 82265687400.

The previous prime is 123401011429. The next prime is 123401011451. The reversal of 123401011443 is 344110104321.

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

It is not a de Polignac number, because 123401011443 - 2⁵ = 123401011411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123401016443) 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, 227293 + ... + 546318.

It is an arithmetic number, because the mean of its divisors is an integer number (20567248632).

Almost surely, 2^123401011443 is an apocalyptic number.

123401011443 is a deficient number, since it is larger than the sum of its proper divisors (41136977613).

123401011443 is an equidigital number, since it uses as much as digits as its factorization.

123401011443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826785.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123401011443 its reverse (344110104321), we get a palindrome (467511115764).

The spelling of 123401011443 in words is "one hundred twenty-three billion, four hundred one million, eleven thousand, four hundred forty-three".