123122230015 has 16 divisors (see below), whose sum is σ = 148732549056. Its totient is φ = 97841779200.

The previous prime is 123122230013. The next prime is 123122230019. The reversal of 123122230015 is 510032221321.

It is not a de Polignac number, because 123122230015 - 2¹ = 123122230013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122230013) 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, 720094 + ... + 874516.

It is an arithmetic number, because the mean of its divisors is an integer number (9295784316).

Almost surely, 2^123122230015 is an apocalyptic number.

123122230015 is a deficient number, since it is larger than the sum of its proper divisors (25610319041).

123122230015 is a wasteful number, since it uses less digits than its factorization.

123122230015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155490.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 123122230015 its reverse (510032221321), we get a palindrome (633154451336).

The spelling of 123122230015 in words is "one hundred twenty-three billion, one hundred twenty-two million, two hundred thirty thousand, fifteen".