2143155004234 has 64 divisors (see below), whose sum is σ = 3531913943040. Its totient is φ = 972537984000.

The previous prime is 2143155004231. The next prime is 2143155004253. The reversal of 2143155004234 is 4324005513412.

It is a super-2 number, since 2×2143155004234² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2143155004234.

It is not an unprimeable number, because it can be changed into a prime (2143155004231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10134439 + ... + 10343749.

It is an arithmetic number, because the mean of its divisors is an integer number (55186155360).

Almost surely, 2^{2143155004234} is an apocalyptic number.

2143155004234 is a deficient number, since it is larger than the sum of its proper divisors (1388758938806).

2143155004234 is a wasteful number, since it uses less digits than its factorization.

2143155004234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209527.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 2143155004234 in words is "two trillion, one hundred forty-three billion, one hundred fifty-five million, four thousand, two hundred thirty-four".