2123544001 has 8 divisors (see below), whose sum is σ = 2249026560. Its totient is φ = 1998124608.

The previous prime is 2123543963. The next prime is 2123544061. The reversal of 2123544001 is 1004453212.

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

It is a cyclic number.

It is not a de Polignac number, because 2123544001 - 2¹³ = 2123535809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123544061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65400 + ... + 92326.

It is an arithmetic number, because the mean of its divisors is an integer number (281128320).

Almost surely, 2^2123544001 is an apocalyptic number.

It is an amenable number.

2123544001 is a deficient number, since it is larger than the sum of its proper divisors (125482559).

2123544001 is a wasteful number, since it uses less digits than its factorization.

2123544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31583.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2123544001 is about 46081.9270538896. The cubic root of 2123544001 is about 1285.3470981683.

Adding to 2123544001 its reverse (1004453212), we get a palindrome (3127997213).

The spelling of 2123544001 in words is "two billion, one hundred twenty-three million, five hundred forty-four thousand, one".