1563123012330 has 128 divisors (see below), whose sum is σ = 4334060286720. Its totient is φ = 356583997440.

The previous prime is 1563123012247. The next prime is 1563123012371. The reversal of 1563123012330 is 332103213651.

It is a super-2 number, since 2×1563123012330² (a number of 25 digits) contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35528586 + ... + 35572554.

It is an arithmetic number, because the mean of its divisors is an integer number (33859845990).

Almost surely, 2^{1563123012330} is an apocalyptic number.

1563123012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1563123012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167030143360).

1563123012330 is an abundant number, since it is smaller than the sum of its proper divisors (2770937274390).

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

1563123012330 is a wasteful number, since it uses less digits than its factorization.

1563123012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50344.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 1563123012330 its reverse (332103213651), we get a palindrome (1895226225981).

The spelling of 1563123012330 in words is "one trillion, five hundred sixty-three billion, one hundred twenty-three million, twelve thousand, three hundred thirty".