215123410453 has 8 divisors (see below), whose sum is σ = 245879340608. Its totient is φ = 184373483904.

The previous prime is 215123410451. The next prime is 215123410501. The reversal of 215123410453 is 354014321512.

215123410453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215123410453 - 2¹ = 215123410451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215123410451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423851 + ... + 1567672.

It is an arithmetic number, because the mean of its divisors is an integer number (30734917576).

Almost surely, 2^215123410453 is an apocalyptic number.

It is an amenable number.

215123410453 is a deficient number, since it is larger than the sum of its proper divisors (30755930155).

215123410453 is a wasteful number, since it uses less digits than its factorization.

215123410453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001803.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 215123410453 its reverse (354014321512), we get a palindrome (569137731965).

The spelling of 215123410453 in words is "two hundred fifteen billion, one hundred twenty-three million, four hundred ten thousand, four hundred fifty-three".