20132923 has 2 divisors, whose sum is σ = 20132924. Its totient is φ = 20132922.

The previous prime is 20132911. The next prime is 20132933. The reversal of 20132923 is 32923102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20132923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20132894 and 20132903.

It is not a weakly prime, because it can be changed into another prime (20132933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066461 + 10066462.

It is an arithmetic number, because the mean of its divisors is an integer number (10066462).

Almost surely, 2^20132923 is an apocalyptic number.

20132923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132923 is an equidigital number, since it uses as much as digits as its factorization.

20132923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20132923 is about 4486.9725873912. The cubic root of 20132923 is about 272.0417818961.

It can be divided in two parts, 201 and 32923, that added together give a square (33124 = 182²).

The spelling of 20132923 in words is "twenty million, one hundred thirty-two thousand, nine hundred twenty-three".