215120455400423 has 8 divisors (see below), whose sum is σ = 228682068365520. Its totient is φ = 201659672272000.

The previous prime is 215120455400353. The next prime is 215120455400503. The reversal of 215120455400423 is 324004554021512.

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 215120455400423 - 2²² = 215120451206119 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 (215120455403423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25207454768 + ... + 25207463301.

It is an arithmetic number, because the mean of its divisors is an integer number (28585258545690).

Almost surely, 2^{215120455400423} is an apocalyptic number.

215120455400423 is a deficient number, since it is larger than the sum of its proper divisors (13561612965097).

215120455400423 is a wasteful number, since it uses less digits than its factorization.

215120455400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50414918337.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 215120455400423 in words is "two hundred fifteen trillion, one hundred twenty billion, four hundred fifty-five million, four hundred thousand, four hundred twenty-three".