20233999 has 2 divisors, whose sum is σ = 20234000. Its totient is φ = 20233998.

The previous prime is 20233957. The next prime is 20234009. The reversal of 20233999 is 99933202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20233999 - 2¹¹ = 20231951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116999 + 10117000.

It is an arithmetic number, because the mean of its divisors is an integer number (10117000).

Almost surely, 2^20233999 is an apocalyptic number.

20233999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233999 is an equidigital number, since it uses as much as digits as its factorization.

20233999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 20233999 is about 4498.2217597624. The cubic root of 20233999 is about 272.4962780402.

The spelling of 20233999 in words is "twenty million, two hundred thirty-three thousand, nine hundred ninety-nine".