15230321452 has 12 divisors (see below), whose sum is σ = 27512838976. Its totient is φ = 7369510320.

The previous prime is 15230321417. The next prime is 15230321531. The reversal of 15230321452 is 25412303251.

It is a self number, because there is not a number n which added to its sum of digits gives 15230321452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61412463 + ... + 61412710.

Almost surely, 2^15230321452 is an apocalyptic number.

It is an amenable number.

15230321452 is a deficient number, since it is larger than the sum of its proper divisors (12282517524).

15230321452 is a wasteful number, since it uses less digits than its factorization.

15230321452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122825208 (or 122825206 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

It can be divided in two parts, 152303 and 21452, that added together give a triangular number (173755 = T₅₈₉).

The spelling of 15230321452 in words is "fifteen billion, two hundred thirty million, three hundred twenty-one thousand, four hundred fifty-two".