2123133001 has 16 divisors (see below), whose sum is σ = 2380976640. Its totient is φ = 1876193280.

The previous prime is 2123132983. The next prime is 2123133011. The reversal of 2123133001 is 1003313212.

It is a cyclic number.

It is not a de Polignac number, because 2123133001 - 2⁹ = 2123132489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123133011) 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, 636105 + ... + 639433.

It is an arithmetic number, because the mean of its divisors is an integer number (148811040).

Almost surely, 2^2123133001 is an apocalyptic number.

It is an amenable number.

2123133001 is a deficient number, since it is larger than the sum of its proper divisors (257843639).

2123133001 is a wasteful number, since it uses less digits than its factorization.

2123133001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2123133001 is about 46077.4673891697. The cubic root of 2123133001 is about 1285.2641689169.

Adding to 2123133001 its reverse (1003313212), we get a palindrome (3126446213).

The spelling of 2123133001 in words is "two billion, one hundred twenty-three million, one hundred thirty-three thousand, one".