123025052123 has 16 divisors (see below), whose sum is σ = 126767192832. Its totient is φ = 119353500000.

The previous prime is 123025052083. The next prime is 123025052131. The reversal of 123025052123 is 321250520321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123025052123 - 2³⁴ = 105845182939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123025052092 and 123025052101.

It is not an unprimeable number, because it can be changed into a prime (123025052323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116248 + ... + 1221498.

It is an arithmetic number, because the mean of its divisors is an integer number (7922949552).

Almost surely, 2^123025052123 is an apocalyptic number.

123025052123 is a deficient number, since it is larger than the sum of its proper divisors (3742140709).

123025052123 is a wasteful number, since it uses less digits than its factorization.

123025052123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105586.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 123025052123 its reverse (321250520321), we get a palindrome (444275572444).

The spelling of 123025052123 in words is "one hundred twenty-three billion, twenty-five million, fifty-two thousand, one hundred twenty-three".