2323121040 has 80 divisors (see below), whose sum is σ = 8001868800. Its totient is φ = 619498368.

The previous prime is 2323120999. The next prime is 2323121057. The reversal of 2323121040 is 401213232.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535600 + ... + 539919.

It is an arithmetic number, because the mean of its divisors is an integer number (100023360).

Almost surely, 2^2323121040 is an apocalyptic number.

2323121040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2323121040 is an abundant number, since it is smaller than the sum of its proper divisors (5678747760).

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

2323121040 is a wasteful number, since it uses less digits than its factorization.

2323121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075541 (or 1075529 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2323121040 is about 48198.7659593065. The cubic root of 2323121040 is about 1324.4145585005.

Adding to 2323121040 its reverse (401213232), we get a palindrome (2724334272).

The spelling of 2323121040 in words is "two billion, three hundred twenty-three million, one hundred twenty-one thousand, forty".