123040021433001 has 8 divisors (see below), whose sum is σ = 164739777651840. Its totient is φ = 81683473084752.

The previous prime is 123040021432963. The next prime is 123040021433039. The reversal of 123040021433001 is 100334120040321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123040021432963) and next prime (123040021433039).

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

It is not a de Polignac number, because 123040021433001 - 2²⁶ = 123039954324137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123040021433401) 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, 85801966810 + ... + 85801968243.

It is an arithmetic number, because the mean of its divisors is an integer number (20592472206480).

Almost surely, 2^{123040021433001} is an apocalyptic number.

It is an amenable number.

123040021433001 is a deficient number, since it is larger than the sum of its proper divisors (41699756218839).

123040021433001 is a wasteful number, since it uses less digits than its factorization.

123040021433001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171603935295.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123040021433001 its reverse (100334120040321), we get a palindrome (223374141473322).

The spelling of 123040021433001 in words is "one hundred twenty-three trillion, forty billion, twenty-one million, four hundred thirty-three thousand, one".