19056713123 has 8 divisors (see below), whose sum is σ = 21781816320. Its totient is φ = 16332288840.

The previous prime is 19056713101. The next prime is 19056713149. The reversal of 19056713123 is 32131765091.

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

It is not a de Polignac number, because 19056713123 - 2¹² = 19056709027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19056715123) 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, 108083 + ... + 223148.

It is an arithmetic number, because the mean of its divisors is an integer number (2722727040).

Almost surely, 2^19056713123 is an apocalyptic number.

19056713123 is a deficient number, since it is larger than the sum of its proper divisors (2725103197).

19056713123 is an equidigital number, since it uses as much as digits as its factorization.

19056713123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339457.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 19056713123 in words is "nineteen billion, fifty-six million, seven hundred thirteen thousand, one hundred twenty-three".