123001232011 has 8 divisors (see below), whose sum is σ = 140575061984. Its totient is φ = 105427958400.

The previous prime is 123001231967. The next prime is 123001232017. The reversal of 123001232011 is 110232100321.

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

It is a cyclic number.

It is not a de Polignac number, because 123001232011 - 2⁷ = 123001231883 is a prime.

It is a super-2 number, since 2×123001232011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123001232017) 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, 588211 + ... + 769411.

It is an arithmetic number, because the mean of its divisors is an integer number (17571882748).

Almost surely, 2^123001232011 is an apocalyptic number.

123001232011 is a deficient number, since it is larger than the sum of its proper divisors (17573829973).

123001232011 is an equidigital number, since it uses as much as digits as its factorization.

123001232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278181.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123001232011 its reverse (110232100321), we get a palindrome (233233332332).

The spelling of 123001232011 in words is "one hundred twenty-three billion, one million, two hundred thirty-two thousand, eleven".