2123001013 has 8 divisors (see below), whose sum is σ = 2430211520. Its totient is φ = 1816771680.

The previous prime is 2123001011. The next prime is 2123001029. The reversal of 2123001013 is 3101003212.

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 2123001013 - 2¹ = 2123001011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123000984 and 2123001002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240648 + ... + 249313.

It is an arithmetic number, because the mean of its divisors is an integer number (303776440).

Almost surely, 2^2123001013 is an apocalyptic number.

It is an amenable number.

2123001013 is a deficient number, since it is larger than the sum of its proper divisors (307210507).

2123001013 is an equidigital number, since it uses as much as digits as its factorization.

2123001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490587.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2123001013 is about 46076.0351267337. The cubic root of 2123001013 is about 1285.2375348558.

Adding to 2123001013 its reverse (3101003212), we get a palindrome (5224004225).

The spelling of 2123001013 in words is "two billion, one hundred twenty-three million, one thousand, thirteen".