21453623083300 has 36 divisors (see below), whose sum is σ = 47812588101460. Its totient is φ = 8349518171520.

The previous prime is 21453623083297. The next prime is 21453623083303. The reversal of 21453623083300 is 338032635412.

It is an interprime number because it is at equal distance from previous prime (21453623083297) and next prime (21453623083303).

It can be written as a sum of positive squares in 6 ways, for example, as 941139684 + 21452681943616 = 30678^2 + 4631704^2 .

It is not an unprimeable number, because it can be changed into a prime (21453623083303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2899134555 + ... + 2899141954.

Almost surely, 2^{21453623083300} is an apocalyptic number.

21453623083300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21453623083300 is an abundant number, since it is smaller than the sum of its proper divisors (26358965018160).

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

21453623083300 is a wasteful number, since it uses less digits than its factorization.

21453623083300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798276560 (or 5798276553 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 21453623083300 in words is "twenty-one trillion, four hundred fifty-three billion, six hundred twenty-three million, eighty-three thousand, three hundred".