123001032123011 has 16 divisors (see below), whose sum is σ = 142554778698240. Its totient is φ = 103942875576960.

The previous prime is 123001032123001. The next prime is 123001032123049. The reversal of 123001032123011 is 110321230100321.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-123001032123011 is a prime.

It is a super-2 number, since 2×123001032123011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123001032123001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29714720 + ... + 33600098.

It is an arithmetic number, because the mean of its divisors is an integer number (8909673668640).

Almost surely, 2^{123001032123011} is an apocalyptic number.

123001032123011 is a deficient number, since it is larger than the sum of its proper divisors (19553746575229).

123001032123011 is an equidigital number, since it uses as much as digits as its factorization.

123001032123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949154.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 123001032123011 its reverse (110321230100321), we get a palindrome (233322262223332).

The spelling of 123001032123011 in words is "one hundred twenty-three trillion, one billion, thirty-two million, one hundred twenty-three thousand, eleven".