123123050115 has 64 divisors (see below), whose sum is σ = 215906656896. Its totient is φ = 59550400512.

The previous prime is 123123050087. The next prime is 123123050117. The reversal of 123123050115 is 511050321321.

It is not a de Polignac number, because 123123050115 - 2²¹ = 123120952963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123123050117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2567599 + ... + 2615111.

It is an arithmetic number, because the mean of its divisors is an integer number (3373541514).

Almost surely, 2^123123050115 is an apocalyptic number.

123123050115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123123050115 is a deficient number, since it is larger than the sum of its proper divisors (92783606781).

123123050115 is a wasteful number, since it uses less digits than its factorization.

123123050115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47768.

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 123123050115 its reverse (511050321321), we get a palindrome (634173371436).

The spelling of 123123050115 in words is "one hundred twenty-three billion, one hundred twenty-three million, fifty thousand, one hundred fifteen".