13215321154023 has 8 divisors (see below), whose sum is σ = 17627161279728. Its totient is φ = 8806847565504.

The previous prime is 13215321153967. The next prime is 13215321154031. The reversal of 13215321154023 is 32045112351231.

It is a happy number.

13215321154023 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 not a de Polignac number, because 13215321154023 - 2³² = 13211026186727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215321154823) 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, 841625136 + ... + 841640837.

It is an arithmetic number, because the mean of its divisors is an integer number (2203395159966).

Almost surely, 2^{13215321154023} is an apocalyptic number.

13215321154023 is a deficient number, since it is larger than the sum of its proper divisors (4411840125705).

13215321154023 is a wasteful number, since it uses less digits than its factorization.

13215321154023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683268593.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 13215321154023 in words is "thirteen trillion, two hundred fifteen billion, three hundred twenty-one million, one hundred fifty-four thousand, twenty-three".