20148323 has 16 divisors (see below), whose sum is σ = 22360800. Its totient is φ = 18040320.

The previous prime is 20148269. The next prime is 20148329. The reversal of 20148323 is 32384102.

It is a cyclic number.

It is not a de Polignac number, because 20148323 - 2⁶ = 20148259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20148329) 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, 83483 + ... + 83723.

It is an arithmetic number, because the mean of its divisors is an integer number (1397550).

Almost surely, 2^20148323 is an apocalyptic number.

20148323 is a deficient number, since it is larger than the sum of its proper divisors (2212477).

20148323 is a wasteful number, since it uses less digits than its factorization.

20148323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20148323 is about 4488.6883384793. The cubic root of 20148323 is about 272.1111272781. Note that the first 4 decimals are identical.

The spelling of 20148323 in words is "twenty million, one hundred forty-eight thousand, three hundred twenty-three".