1623373056340 has 48 divisors (see below), whose sum is σ = 3896169040512. Its totient is φ = 556574518656.

The previous prime is 1623373056311. The next prime is 1623373056343. The reversal of 1623373056340 is 436503733261.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623373056343) 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, 12372762 + ... + 12503278.

It is an arithmetic number, because the mean of its divisors is an integer number (81170188344).

Almost surely, 2^{1623373056340} is an apocalyptic number.

1623373056340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1623373056340 is an abundant number, since it is smaller than the sum of its proper divisors (2272795984172).

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

1623373056340 is a wasteful number, since it uses less digits than its factorization.

1623373056340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219376 (or 219374 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 1623373056340 in words is "one trillion, six hundred twenty-three billion, three hundred seventy-three million, fifty-six thousand, three hundred forty".