120340112123 has 32 divisors (see below), whose sum is σ = 151222740480. Its totient is φ = 93029679360.

The previous prime is 120340112093. The next prime is 120340112141. The reversal of 120340112123 is 321211043021.

It is a cyclic number.

It is not a de Polignac number, because 120340112123 - 2¹⁴ = 120340095739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120340112095 and 120340112104.

It is not an unprimeable number, because it can be changed into a prime (120340112153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26781665 + ... + 26786157.

It is an arithmetic number, because the mean of its divisors is an integer number (4725710640).

Almost surely, 2^120340112123 is an apocalyptic number.

120340112123 is a deficient number, since it is larger than the sum of its proper divisors (30882628357).

120340112123 is a wasteful number, since it uses less digits than its factorization.

120340112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 120340112123 its reverse (321211043021), we get a palindrome (441551155144).

The spelling of 120340112123 in words is "one hundred twenty billion, three hundred forty million, one hundred twelve thousand, one hundred twenty-three".