15223354340 has 12 divisors (see below), whose sum is σ = 31969044156. Its totient is φ = 6089341728.

The previous prime is 15223354331. The next prime is 15223354351. The reversal of 15223354340 is 4345332251.

It can be written as a sum of positive squares in 2 ways, for example, as 10173546496 + 5049807844 = 100864^2 + 71062^2 .

It is a super-2 number, since 2×15223354340² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15223354297 and 15223354306.

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 3 ways as a sum of consecutive naturals, for example, 380583839 + ... + 380583878.

It is an arithmetic number, because the mean of its divisors is an integer number (2664087013).

Almost surely, 2^15223354340 is an apocalyptic number.

15223354340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15223354340 is an abundant number, since it is smaller than the sum of its proper divisors (16745689816).

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

15223354340 is a wasteful number, since it uses less digits than its factorization.

15223354340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761167726 (or 761167724 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 15223354340 its reverse (4345332251), we get a palindrome (19568686591).

The spelling of 15223354340 in words is "fifteen billion, two hundred twenty-three million, three hundred fifty-four thousand, three hundred forty".