2923531000 has 96 divisors (see below), whose sum is σ = 7408206000. Its totient is φ = 1079395200.

The previous prime is 2923530949. The next prime is 2923531033. The reversal of 2923531000 is 1353292.

It is a happy number.

It is a super-2 number, since 2×2923531000² = 17094067015922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160351 + ... + 177649.

Almost surely, 2^2923531000 is an apocalyptic number.

2923531000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2923531000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3704103000).

2923531000 is an abundant number, since it is smaller than the sum of its proper divisors (4484675000).

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

2923531000 is a wasteful number, since it uses less digits than its factorization.

2923531000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17346 (or 17319 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2923531000 is about 54069.6865165686. The cubic root of 2923531000 is about 1429.8897986702.

Adding to 2923531000 its reverse (1353292), we get a palindrome (2924884292).

The spelling of 2923531000 in words is "two billion, nine hundred twenty-three million, five hundred thirty-one thousand".