123034143999 has 16 divisors (see below), whose sum is σ = 176696379104. Its totient is φ = 75699619200.

The previous prime is 123034143977. The next prime is 123034144001. The reversal of 123034143999 is 999341430321.

It is not a de Polignac number, because 123034143999 - 2¹⁵ = 123034111231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123034143499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64972 + ... + 500289.

It is an arithmetic number, because the mean of its divisors is an integer number (11043523694).

Almost surely, 2^123034143999 is an apocalyptic number.

123034143999 is a deficient number, since it is larger than the sum of its proper divisors (53662235105).

123034143999 is a wasteful number, since it uses less digits than its factorization.

123034143999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570858.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 123034143999 in words is "one hundred twenty-three billion, thirty-four million, one hundred forty-three thousand, nine hundred ninety-nine".