10503423223320 has 64 divisors (see below), whose sum is σ = 31510863220320. Its totient is φ = 2800860099584.

The previous prime is 10503423223243. The next prime is 10503423223327. The reversal of 10503423223320 is 2332232430501.

It is a happy number.

It is a super-2 number, since 2×10503423223320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503423223327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5793124 + ... + 7386956.

Almost surely, 2^{10503423223320} is an apocalyptic number.

10503423223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10503423223320 is an abundant number, since it is smaller than the sum of its proper divisors (21007439997000).

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

10503423223320 is a wasteful number, since it uses less digits than its factorization.

10503423223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648764 (or 1648760 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 10503423223320 its reverse (2332232430501), we get a palindrome (12835655653821).

The spelling of 10503423223320 in words is "ten trillion, five hundred three billion, four hundred twenty-three million, two hundred twenty-three thousand, three hundred twenty".