423020204331 has 32 divisors (see below), whose sum is σ = 597506899968. Its totient is φ = 265649033760.

The previous prime is 423020204323. The next prime is 423020204351. The reversal of 423020204331 is 133402020324.

423020204331 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 423020204331 - 2³ = 423020204323 is a prime.

It is a super-2 number, since 2×423020204331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423020204351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18901510 + ... + 18923876.

It is an arithmetic number, because the mean of its divisors is an integer number (18672090624).

Almost surely, 2^423020204331 is an apocalyptic number.

423020204331 is a deficient number, since it is larger than the sum of its proper divisors (174486695637).

423020204331 is a wasteful number, since it uses less digits than its factorization.

423020204331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26551.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 423020204331 its reverse (133402020324), we get a palindrome (556422224655).

The spelling of 423020204331 in words is "four hundred twenty-three billion, twenty million, two hundred four thousand, three hundred thirty-one".