13643525023 has 8 divisors (see below), whose sum is σ = 14029446816. Its totient is φ = 13260134400.

The previous prime is 13643524969. The next prime is 13643525029. The reversal of 13643525023 is 32052534631.

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 13643525023 - 2⁹ = 13643524511 is a prime.

It is a super-2 number, since 2×13643525023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13643525023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13643525029) 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, 621858 + ... + 643423.

It is an arithmetic number, because the mean of its divisors is an integer number (1753680852).

Almost surely, 2^13643525023 is an apocalyptic number.

13643525023 is a deficient number, since it is larger than the sum of its proper divisors (385921793).

13643525023 is a wasteful number, since it uses less digits than its factorization.

13643525023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265585.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 13643525023 in words is "thirteen billion, six hundred forty-three million, five hundred twenty-five thousand, twenty-three".