423353331 has 32 divisors (see below), whose sum is σ = 649857600. Its totient is φ = 272194560.

The previous prime is 423353323. The next prime is 423353377. The reversal of 423353331 is 133353324.

It is a happy number.

It is not a de Polignac number, because 423353331 - 2³ = 423353323 is a prime.

It is a super-2 number, since 2×423353331² = 358456085737591122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 423353295 and 423353304.

It is not an unprimeable number, because it can be changed into a prime (423353321) 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, 96375 + ... + 100671.

It is an arithmetic number, because the mean of its divisors is an integer number (20308050).

Almost surely, 2^423353331 is an apocalyptic number.

423353331 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

423353331 is a deficient number, since it is larger than the sum of its proper divisors (226504269).

423353331 is a wasteful number, since it uses less digits than its factorization.

423353331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436 (or 4430 counting only the distinct ones).

The product of its digits is 9720, while the sum is 27.

The square root of 423353331 is about 20575.5517787495. The cubic root of 423353331 is about 750.8750267073.

The spelling of 423353331 in words is "four hundred twenty-three million, three hundred fifty-three thousand, three hundred thirty-one".