1623428243260 has 12 divisors (see below), whose sum is σ = 3409199310888. Its totient is φ = 649371297296.

The previous prime is 1623428243243. The next prime is 1623428243267. The reversal of 1623428243260 is 623428243261.

It is a happy number.

It is a super-2 number, since 2×1623428243260² (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 (1623428243267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40585706062 + ... + 40585706101.

It is an arithmetic number, because the mean of its divisors is an integer number (284099942574).

Almost surely, 2^{1623428243260} is an apocalyptic number.

1623428243260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1623428243260 is an abundant number, since it is smaller than the sum of its proper divisors (1785771067628).

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

1623428243260 is a wasteful number, since it uses less digits than its factorization.

1623428243260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81171412172 (or 81171412170 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 43.

Subtracting from 1623428243260 its reverse (623428243261), we obtain a palindrome (999999999999).

The spelling of 1623428243260 in words is "one trillion, six hundred twenty-three billion, four hundred twenty-eight million, two hundred forty-three thousand, two hundred sixty".