215053763423 has 4 divisors (see below), whose sum is σ = 217775963040. Its totient is φ = 212331563808.

The previous prime is 215053763417. The next prime is 215053763473. The reversal of 215053763423 is 324367350512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 215053763423 - 2⁸ = 215053763167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215053763473) 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, 1361099690 + ... + 1361099847.

It is an arithmetic number, because the mean of its divisors is an integer number (54443990760).

Almost surely, 2^215053763423 is an apocalyptic number.

215053763423 is a deficient number, since it is larger than the sum of its proper divisors (2722199617).

215053763423 is an equidigital number, since it uses as much as digits as its factorization.

215053763423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722199616.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 215053763423 in words is "two hundred fifteen billion, fifty-three million, seven hundred sixty-three thousand, four hundred twenty-three".