123440231001 has 8 divisors (see below), whose sum is σ = 165123089824. Its totient is φ = 82025429760.

The previous prime is 123440230987. The next prime is 123440231093. The reversal of 123440231001 is 100132044321.

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

It is not a de Polignac number, because 123440231001 - 2²³ = 123431842393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123440231701) 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, 67013320 + ... + 67015161.

It is an arithmetic number, because the mean of its divisors is an integer number (20640386228).

Almost surely, 2^123440231001 is an apocalyptic number.

It is an amenable number.

123440231001 is a deficient number, since it is larger than the sum of its proper divisors (41682858823).

123440231001 is a wasteful number, since it uses less digits than its factorization.

123440231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134028791.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 123440231001 its reverse (100132044321), we get a palindrome (223572275322).

The spelling of 123440231001 in words is "one hundred twenty-three billion, four hundred forty million, two hundred thirty-one thousand, one".