13456723406 has 32 divisors (see below), whose sum is σ = 23984093952. Its totient is φ = 5542511040.

The previous prime is 13456723393. The next prime is 13456723411. The reversal of 13456723406 is 60432765431.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136496 + ... + 213411.

It is an arithmetic number, because the mean of its divisors is an integer number (749502936).

Almost surely, 2^13456723406 is an apocalyptic number.

13456723406 is a deficient number, since it is larger than the sum of its proper divisors (10527370546).

13456723406 is a wasteful number, since it uses less digits than its factorization.

13456723406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350024.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 13456723406 in words is "thirteen billion, four hundred fifty-six million, seven hundred twenty-three thousand, four hundred six".