123470726011 has 4 divisors (see below), whose sum is σ = 130733709912. Its totient is φ = 116207742112.

The previous prime is 123470725919. The next prime is 123470726021. The reversal of 123470726011 is 110627074321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110627074321 = 67 ⋅1651150363.

It is not a de Polignac number, because 123470726011 - 2²¹ = 123468628859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123470726021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3631491925 + ... + 3631491958.

It is an arithmetic number, because the mean of its divisors is an integer number (32683427478).

Almost surely, 2^123470726011 is an apocalyptic number.

123470726011 is a deficient number, since it is larger than the sum of its proper divisors (7262983901).

123470726011 is an equidigital number, since it uses as much as digits as its factorization.

123470726011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262983900.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 123470726011 in words is "one hundred twenty-three billion, four hundred seventy million, seven hundred twenty-six thousand, eleven".