142694038123 has 48 divisors (see below), whose sum is σ = 181466796000. Its totient is φ = 111195431424.

The previous prime is 142694038093. The next prime is 142694038153. The reversal of 142694038123 is 321830496241.

142694038123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142694038093) and next prime (142694038153).

It is not a de Polignac number, because 142694038123 - 2⁹ = 142694037611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142694038123.

It is not an unprimeable number, because it can be changed into a prime (142694038153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40779628 + ... + 40783126.

It is an arithmetic number, because the mean of its divisors is an integer number (3780558250).

Almost surely, 2^142694038123 is an apocalyptic number.

142694038123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142694038123 is a deficient number, since it is larger than the sum of its proper divisors (38772757877).

142694038123 is a wasteful number, since it uses less digits than its factorization.

142694038123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4476 (or 4469 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 142694038123 in words is "one hundred forty-two billion, six hundred ninety-four million, thirty-eight thousand, one hundred twenty-three".