31828023 has 12 divisors (see below), whose sum is σ = 46177560. Its totient is φ = 21124656.

The previous prime is 31828019. The next prime is 31828061. The reversal of 31828023 is 32082813.

It is not a de Polignac number, because 31828023 - 2² = 31828019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31828003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5661 + ... + 9782.

It is an arithmetic number, because the mean of its divisors is an integer number (3848130).

Almost surely, 2^31828023 is an apocalyptic number.

31828023 is a deficient number, since it is larger than the sum of its proper divisors (14349537).

31828023 is a wasteful number, since it uses less digits than its factorization.

31828023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15678 (or 15675 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 31828023 is about 5641.6330082699. The cubic root of 31828023 is about 316.9104458324.

The spelling of 31828023 in words is "thirty-one million, eight hundred twenty-eight thousand, twenty-three".