15223145630 has 64 divisors (see below), whose sum is σ = 34306467840. Its totient is φ = 4724966400.

The previous prime is 15223145611. The next prime is 15223145657. The reversal of 15223145630 is 3654132251.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142670 + ... + 225390.

It is an arithmetic number, because the mean of its divisors is an integer number (536038560).

Almost surely, 2^15223145630 is an apocalyptic number.

15223145630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15223145630 is an abundant number, since it is smaller than the sum of its proper divisors (19083322210).

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

15223145630 is a wasteful number, since it uses less digits than its factorization.

15223145630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82985.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 15223145630 its reverse (3654132251), we get a palindrome (18877277881).

The spelling of 15223145630 in words is "fifteen billion, two hundred twenty-three million, one hundred forty-five thousand, six hundred thirty".