1523323054340 has 24 divisors (see below), whose sum is σ = 3220448074200. Its totient is φ = 605239762688.

The previous prime is 1523323054291. The next prime is 1523323054387. The reversal of 1523323054340 is 434503233251.

It can be written as a sum of positive squares in 4 ways, for example, as 9591460096 + 1513731594244 = 97936^2 + 1230338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1523323054340.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255588137 + ... + 255594096.

It is an arithmetic number, because the mean of its divisors is an integer number (134185336425).

Almost surely, 2^{1523323054340} is an apocalyptic number.

1523323054340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523323054340 is an abundant number, since it is smaller than the sum of its proper divisors (1697125019860).

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

1523323054340 is a wasteful number, since it uses less digits than its factorization.

1523323054340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511182391 (or 511182389 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 1523323054340 its reverse (434503233251), we get a palindrome (1957826287591).

The spelling of 1523323054340 in words is "one trillion, five hundred twenty-three billion, three hundred twenty-three million, fifty-four thousand, three hundred forty".