403200230021 has 2 divisors, whose sum is σ = 403200230022. Its totient is φ = 403200230020.

The previous prime is 403200229997. The next prime is 403200230063. The reversal of 403200230021 is 120032002304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393017401921 + 10182828100 = 626911^2 + 100910^2 .

It is a cyclic number.

It is not a de Polignac number, because 403200230021 - 2²² = 403196035717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403200235021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201600115010 + 201600115011.

It is an arithmetic number, because the mean of its divisors is an integer number (201600115011).

Almost surely, 2^403200230021 is an apocalyptic number.

It is an amenable number.

403200230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

403200230021 is an equidigital number, since it uses as much as digits as its factorization.

403200230021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 403200230021 its reverse (120032002304), we get a palindrome (523232232325).

The spelling of 403200230021 in words is "four hundred three billion, two hundred million, two hundred thirty thousand, twenty-one".