21023133323001 has 16 divisors (see below), whose sum is σ = 29698163812800. Its totient is φ = 13182787312128.

The previous prime is 21023133322951. The next prime is 21023133323039. The reversal of 21023133323001 is 10032333132012.

It is not a de Polignac number, because 21023133323001 - 2³¹ = 21020985839353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21023133323701) 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, 128015611 + ... + 128179728.

It is an arithmetic number, because the mean of its divisors is an integer number (1856135238300).

Almost surely, 2^{21023133323001} is an apocalyptic number.

It is an amenable number.

21023133323001 is a deficient number, since it is larger than the sum of its proper divisors (8675030489799).

21023133323001 is a wasteful number, since it uses less digits than its factorization.

21023133323001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256196968.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21023133323001 its reverse (10032333132012), we get a palindrome (31055466455013).

The spelling of 21023133323001 in words is "twenty-one trillion, twenty-three billion, one hundred thirty-three million, three hundred twenty-three thousand, one".