13230545405 has 32 divisors (see below), whose sum is σ = 20836085760. Its totient is φ = 7813523520.

The previous prime is 13230545353. The next prime is 13230545423. The reversal of 13230545405 is 50454503231.

It is a happy number.

It is not a de Polignac number, because 13230545405 - 2¹² = 13230541309 is a prime.

It is a super-2 number, since 2×13230545405² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 897029 + ... + 911658.

It is an arithmetic number, because the mean of its divisors is an integer number (651127680).

Almost surely, 2^13230545405 is an apocalyptic number.

It is an amenable number.

13230545405 is a deficient number, since it is larger than the sum of its proper divisors (7605540355).

13230545405 is a wasteful number, since it uses less digits than its factorization.

13230545405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808729.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 13230545405 in words is "thirteen billion, two hundred thirty million, five hundred forty-five thousand, four hundred five".