13423546457 has 4 divisors (see below), whose sum is σ = 13735722000. Its totient is φ = 13111370916.

The previous prime is 13423546441. The next prime is 13423546471. The reversal of 13423546457 is 75464532431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75464532431 = 17 ⋅4439090143.

It is a cyclic number.

It is not a de Polignac number, because 13423546457 - 2⁴ = 13423546441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423546057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156087707 + ... + 156087792.

It is an arithmetic number, because the mean of its divisors is an integer number (3433930500).

Almost surely, 2^13423546457 is an apocalyptic number.

It is an amenable number.

13423546457 is a deficient number, since it is larger than the sum of its proper divisors (312175543).

13423546457 is an equidigital number, since it uses as much as digits as its factorization.

13423546457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312175542.

The product of its digits is 1209600, while the sum is 44.

The spelling of 13423546457 in words is "thirteen billion, four hundred twenty-three million, five hundred forty-six thousand, four hundred fifty-seven".