2321015513453 has 32 divisors (see below), whose sum is σ = 2910929129472. Its totient is φ = 1801767628800.

The previous prime is 2321015513441. The next prime is 2321015513477. The reversal of 2321015513453 is 3543155101232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2321015513453 - 2⁴ = 2321015513437 is a prime.

It is a super-2 number, since 2×2321015513453² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321015513153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354173 + ... + 2183453.

It is an arithmetic number, because the mean of its divisors is an integer number (90966535296).

Almost surely, 2^{2321015513453} is an apocalyptic number.

It is an amenable number.

2321015513453 is a deficient number, since it is larger than the sum of its proper divisors (589913616019).

2321015513453 is a wasteful number, since it uses less digits than its factorization.

2321015513453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829565.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 2321015513453 in words is "two trillion, three hundred twenty-one billion, fifteen million, five hundred thirteen thousand, four hundred fifty-three".