215363465635423 has 16 divisors (see below), whose sum is σ = 246286540846080. Its totient is φ = 184479633183456.

The previous prime is 215363465635379. The next prime is 215363465635511. The reversal of 215363465635423 is 324536564363512.

It is a cyclic number.

It is not a de Polignac number, because 215363465635423 - 2²⁵ = 215363432080991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215363465635523) 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, 97576890 + ... + 99759592.

It is an arithmetic number, because the mean of its divisors is an integer number (15392908802880).

Almost surely, 2^{215363465635423} is an apocalyptic number.

215363465635423 is a deficient number, since it is larger than the sum of its proper divisors (30923075210657).

215363465635423 is a wasteful number, since it uses less digits than its factorization.

215363465635423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191686.

The product of its digits is 139968000, while the sum is 58.

The spelling of 215363465635423 in words is "two hundred fifteen trillion, three hundred sixty-three billion, four hundred sixty-five million, six hundred thirty-five thousand, four hundred twenty-three".