2123955574 has 8 divisors (see below), whose sum is σ = 3431005200. Its totient is φ = 980287176.

The previous prime is 2123955569. The next prime is 2123955593. The reversal of 2123955574 is 4755593212.

It is a happy number.

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

It is a super-2 number, since 2×2123955574² = 9022374560651338952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123955574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40845274 + ... + 40845325.

It is an arithmetic number, because the mean of its divisors is an integer number (428875650).

Almost surely, 2^2123955574 is an apocalyptic number.

2123955574 is a deficient number, since it is larger than the sum of its proper divisors (1307049626).

2123955574 is a wasteful number, since it uses less digits than its factorization.

2123955574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81690614.

The product of its digits is 378000, while the sum is 43.

The square root of 2123955574 is about 46086.3925036447. The cubic root of 2123955574 is about 1285.4301323143.

The spelling of 2123955574 in words is "two billion, one hundred twenty-three million, nine hundred fifty-five thousand, five hundred seventy-four".