120340023123 has 8 divisors (see below), whose sum is σ = 160454976448. Its totient is φ = 80225875944.

The previous prime is 120340023119. The next prime is 120340023157. The reversal of 120340023123 is 321320043021.

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

It is not a de Polignac number, because 120340023123 - 2² = 120340023119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120340023123.

It is not an unprimeable number, because it can be changed into a prime (120340023173) 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, 425340 + ... + 649302.

It is an arithmetic number, because the mean of its divisors is an integer number (20056872056).

Almost surely, 2^120340023123 is an apocalyptic number.

120340023123 is a deficient number, since it is larger than the sum of its proper divisors (40114953325).

120340023123 is a wasteful number, since it uses less digits than its factorization.

120340023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403073.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 120340023123 its reverse (321320043021), we get a palindrome (441660066144).

The spelling of 120340023123 in words is "one hundred twenty billion, three hundred forty million, twenty-three thousand, one hundred twenty-three".