20235023 has 8 divisors (see below), whose sum is σ = 20513616. Its totient is φ = 19958400.

The previous prime is 20235013. The next prime is 20235031. The reversal of 20235023 is 32053202.

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 20235023 - 2⁶ = 20234959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20234992 and 20235010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20235013) 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, 37133 + ... + 37673.

It is an arithmetic number, because the mean of its divisors is an integer number (2564202).

Almost surely, 2^20235023 is an apocalyptic number.

20235023 is a deficient number, since it is larger than the sum of its proper divisors (278593).

20235023 is a wasteful number, since it uses less digits than its factorization.

20235023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20235023 is about 4498.3355810789. The cubic root of 20235023 is about 272.5008747833.

Adding to 20235023 its reverse (32053202), we get a palindrome (52288225).

The spelling of 20235023 in words is "twenty million, two hundred thirty-five thousand, twenty-three".