23321004140 has 36 divisors (see below), whose sum is σ = 56969883936. Its totient is φ = 7995772512.

The previous prime is 23321004121. The next prime is 23321004151. The reversal of 23321004140 is 4140012332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11897492 + ... + 11899451.

It is an arithmetic number, because the mean of its divisors is an integer number (1582496776).

Almost surely, 2^23321004140 is an apocalyptic number.

23321004140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321004140 is an abundant number, since it is smaller than the sum of its proper divisors (33648879796).

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

23321004140 is a wasteful number, since it uses less digits than its factorization.

23321004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23796966 (or 23796957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23321004140 its reverse (4140012332), we get a palindrome (27461016472).

The spelling of 23321004140 in words is "twenty-three billion, three hundred twenty-one million, four thousand, one hundred forty".