123002023123 has 8 divisors (see below), whose sum is σ = 140976533600. Its totient is φ = 105128210880.

The previous prime is 123002023121. The next prime is 123002023153. The reversal of 123002023123 is 321320200321.

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

It is not a de Polignac number, because 123002023123 - 2¹ = 123002023121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123002023123.

It is not an unprimeable number, because it can be changed into a prime (123002023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25171938 + ... + 25176823.

It is an arithmetic number, because the mean of its divisors is an integer number (17622066700).

Almost surely, 2^123002023123 is an apocalyptic number.

123002023123 is a deficient number, since it is larger than the sum of its proper divisors (17974510477).

123002023123 is an equidigital number, since it uses as much as digits as its factorization.

123002023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50349117.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123002023123 its reverse (321320200321), we get a palindrome (444322223444).

The spelling of 123002023123 in words is "one hundred twenty-three billion, two million, twenty-three thousand, one hundred twenty-three".