13780377123 has 8 divisors (see below), whose sum is σ = 19454650128. Its totient is φ = 8646511104.

The previous prime is 13780377109. The next prime is 13780377139. The reversal of 13780377123 is 32177308731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13780377123 - 2⁶ = 13780377059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13780377103) 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, 135101686 + ... + 135101787.

It is an arithmetic number, because the mean of its divisors is an integer number (2431831266).

Almost surely, 2^13780377123 is an apocalyptic number.

13780377123 is a deficient number, since it is larger than the sum of its proper divisors (5674273005).

13780377123 is a wasteful number, since it uses less digits than its factorization.

13780377123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270203493.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 13780377123 in words is "thirteen billion, seven hundred eighty million, three hundred seventy-seven thousand, one hundred twenty-three".