202123233000021 has 8 divisors (see below), whose sum is σ = 269557306989984. Its totient is φ = 134718990505040.

The previous prime is 202123232999999. The next prime is 202123233000107. The reversal of 202123233000021 is 120000332321202.

It is a happy number.

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 202123233000021 - 2⁶ = 202123232999957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202123233500021) 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, 7457857935 + ... + 7457885036.

It is an arithmetic number, because the mean of its divisors is an integer number (33694663373748).

Almost surely, 2^{202123233000021} is an apocalyptic number.

It is an amenable number.

202123233000021 is a deficient number, since it is larger than the sum of its proper divisors (67434073989963).

202123233000021 is a wasteful number, since it uses less digits than its factorization.

202123233000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14915747491.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202123233000021 its reverse (120000332321202), we get a palindrome (322123565321223).

The spelling of 202123233000021 in words is "two hundred two trillion, one hundred twenty-three billion, two hundred thirty-three million, twenty-one", and thus it is an aban number.