15123012630 has 32 divisors (see below), whose sum is σ = 39594797568. Its totient is φ = 3666184800.

The previous prime is 15123012607. The next prime is 15123012631. The reversal of 15123012630 is 3621032151.

15123012630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15123012630² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15123012630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15123012631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22913326 + ... + 22913985.

It is an arithmetic number, because the mean of its divisors is an integer number (1237337424).

Almost surely, 2^15123012630 is an apocalyptic number.

15123012630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15123012630 is an abundant number, since it is smaller than the sum of its proper divisors (24471784938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15123012630 is a wasteful number, since it uses less digits than its factorization.

15123012630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45827332.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 15123012630 its reverse (3621032151), we get a palindrome (18744044781).

The spelling of 15123012630 in words is "fifteen billion, one hundred twenty-three million, twelve thousand, six hundred thirty".