2123233213021 has 8 divisors (see below), whose sum is σ = 2181097640160. Its totient is φ = 2065394035728.

The previous prime is 2123233213019. The next prime is 2123233213061. The reversal of 2123233213021 is 1203123323212.

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 2123233213021 - 2¹ = 2123233213019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123233213061) 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, 6141931 + ... + 6478408.

It is an arithmetic number, because the mean of its divisors is an integer number (272637205020).

Almost surely, 2^{2123233213021} is an apocalyptic number.

It is an amenable number.

2123233213021 is a deficient number, since it is larger than the sum of its proper divisors (57864427139).

2123233213021 is a wasteful number, since it uses less digits than its factorization.

2123233213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624923.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2123233213021 its reverse (1203123323212), we get a palindrome (3326356536233).

The spelling of 2123233213021 in words is "two trillion, one hundred twenty-three billion, two hundred thirty-three million, two hundred thirteen thousand, twenty-one".