15230001234 has 64 divisors (see below), whose sum is σ = 35277854976. Its totient is φ = 4293402624.

The previous prime is 15230001223. The next prime is 15230001239. The reversal of 15230001234 is 43210003251.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 15230001234.

It is not an unprimeable number, because it can be changed into a prime (15230001239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1367392 + ... + 1378484.

It is an arithmetic number, because the mean of its divisors is an integer number (551216484).

Almost surely, 2^15230001234 is an apocalyptic number.

15230001234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15230001234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17638927488).

15230001234 is an abundant number, since it is smaller than the sum of its proper divisors (20047853742).

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

15230001234 is a wasteful number, since it uses less digits than its factorization.

15230001234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11539.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 15230001234 its reverse (43210003251), we get a palindrome (58440004485).

The spelling of 15230001234 in words is "fifteen billion, two hundred thirty million, one thousand, two hundred thirty-four".