923831064 has 144 divisors (see below), whose sum is σ = 2827964880. Its totient is φ = 271814400.

The previous prime is 923831057. The next prime is 923831089. The reversal of 923831064 is 460138329.

It is a super-2 number, since 2×923831064² = 1706927669622744192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 278214 + ... + 281514.

It is an arithmetic number, because the mean of its divisors is an integer number (19638645).

Almost surely, 2^923831064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923831064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413982440).

923831064 is an abundant number, since it is smaller than the sum of its proper divisors (1904133816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

923831064 is a wasteful number, since it uses less digits than its factorization.

923831064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 923831064 is about 30394.5893869287. The cubic root of 923831064 is about 973.9369747569.

The spelling of 923831064 in words is "nine hundred twenty-three million, eight hundred thirty-one thousand, sixty-four".