846157823 has 6 divisors (see below), whose sum is σ = 984306096. Its totient is φ = 725278092.

The previous prime is 846157783. The next prime is 846157841. The reversal of 846157823 is 328751648.

It is not a de Polignac number, because 846157823 - 2⁶ = 846157759 is a prime.

It is a super-2 number, since 2×846157823² = 1431966122848198658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846157843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8634215 + ... + 8634312.

It is an arithmetic number, because the mean of its divisors is an integer number (164051016).

Almost surely, 2^846157823 is an apocalyptic number.

846157823 is a deficient number, since it is larger than the sum of its proper divisors (138148273).

846157823 is a wasteful number, since it uses less digits than its factorization.

846157823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17268541 (or 17268534 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 846157823 is about 29088.7920512351. The cubic root of 846157823 is about 945.8387980010.

The spelling of 846157823 in words is "eight hundred forty-six million, one hundred fifty-seven thousand, eight hundred twenty-three".