423068831 has 4 divisors (see below), whose sum is σ = 441463152. Its totient is φ = 404674512.

The previous prime is 423068813. The next prime is 423068861. The reversal of 423068831 is 138860324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-423068831 is a prime.

It is a super-2 number, since 2×423068831² = 357974471527413122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423068791 and 423068800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423068861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9197126 + ... + 9197171.

It is an arithmetic number, because the mean of its divisors is an integer number (110365788).

Almost surely, 2^423068831 is an apocalyptic number.

423068831 is a deficient number, since it is larger than the sum of its proper divisors (18394321).

423068831 is a wasteful number, since it uses less digits than its factorization.

423068831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18394320.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 423068831 is about 20568.6370720084. The cubic root of 423068831 is about 750.7067891303.

The spelling of 423068831 in words is "four hundred twenty-three million, sixty-eight thousand, eight hundred thirty-one".