123313030015 has 16 divisors (see below), whose sum is σ = 173685690432. Its totient is φ = 82272167424.

The previous prime is 123313030003. The next prime is 123313030037. The reversal of 123313030015 is 510030313321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123313030015 - 2¹³ = 123313021823 is a prime.

It is a super-2 number, since 2×123313030015² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47609914 + ... + 47612503.

It is an arithmetic number, because the mean of its divisors is an integer number (10855355652).

Almost surely, 2^123313030015 is an apocalyptic number.

123313030015 is a deficient number, since it is larger than the sum of its proper divisors (50372660417).

123313030015 is an equidigital number, since it uses as much as digits as its factorization.

123313030015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95222466.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 123313030015 its reverse (510030313321), we get a palindrome (633343343336).

The spelling of 123313030015 in words is "one hundred twenty-three billion, three hundred thirteen million, thirty thousand, fifteen".