842463231 has 16 divisors (see below), whose sum is σ = 1137254400. Its totient is φ = 554672448.

The previous prime is 842463221. The next prime is 842463239. The reversal of 842463231 is 132364248.

It is not a de Polignac number, because 842463231 - 2¹⁰ = 842462207 is a prime.

It is a super-2 number, since 2×842463231² = 1419488591173918722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 842463192 and 842463201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842463239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340260 + ... + 342726.

It is an arithmetic number, because the mean of its divisors is an integer number (71078400).

Almost surely, 2^842463231 is an apocalyptic number.

842463231 is a deficient number, since it is larger than the sum of its proper divisors (294791169).

842463231 is a wasteful number, since it uses less digits than its factorization.

842463231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838.

The product of its digits is 27648, while the sum is 33.

The square root of 842463231 is about 29025.2171568104. The cubic root of 842463231 is about 944.4601793606.

The spelling of 842463231 in words is "eight hundred forty-two million, four hundred sixty-three thousand, two hundred thirty-one".