823481151 has 16 divisors (see below), whose sum is σ = 1118499840. Its totient is φ = 538765920.

The previous prime is 823481149. The next prime is 823481177. The reversal of 823481151 is 151184328.

It is not a de Polignac number, because 823481151 - 2¹ = 823481149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823481101) 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, 79870 + ... + 89588.

It is an arithmetic number, because the mean of its divisors is an integer number (69906240).

Almost surely, 2^823481151 is an apocalyptic number.

823481151 is a deficient number, since it is larger than the sum of its proper divisors (295018689).

823481151 is a wasteful number, since it uses less digits than its factorization.

823481151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246.

The product of its digits is 7680, while the sum is 33.

The square root of 823481151 is about 28696.3612850131. The cubic root of 823481151 is about 937.3128139702.

The spelling of 823481151 in words is "eight hundred twenty-three million, four hundred eighty-one thousand, one hundred fifty-one".