1562123023216 has 80 divisors (see below), whose sum is σ = 3553505078976. Its totient is φ = 651197933568.

The previous prime is 1562123023213. The next prime is 1562123023231. The reversal of 1562123023216 is 6123203212651.

It is a super-2 number, since 2×1562123023216² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1562123023213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14687220 + ... + 14793196.

Almost surely, 2^{1562123023216} is an apocalyptic number.

1562123023216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1562123023216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776752539488).

1562123023216 is an abundant number, since it is smaller than the sum of its proper divisors (1991382055760).

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

1562123023216 is a wasteful number, since it uses less digits than its factorization.

1562123023216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109586 (or 109580 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 1562123023216 its reverse (6123203212651), we get a palindrome (7685326235867).

The spelling of 1562123023216 in words is "one trillion, five hundred sixty-two billion, one hundred twenty-three million, twenty-three thousand, two hundred sixteen".