23301221040 has 120 divisors (see below), whose sum is σ = 79729874640. Its totient is φ = 6096410112.

The previous prime is 23301221011. The next prime is 23301221051. The reversal of 23301221040 is 4012210332.

It is a tau number, because it is divible by the number of its divisors (120).

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

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, 267150 + ... + 343469.

It is an arithmetic number, because the mean of its divisors is an integer number (664415622).

Almost surely, 2^23301221040 is an apocalyptic number.

23301221040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23301221040 is an abundant number, since it is smaller than the sum of its proper divisors (56428653600).

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

23301221040 is a wasteful number, since it uses less digits than its factorization.

23301221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610691 (or 610682 counting only the distinct ones).

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

Adding to 23301221040 its reverse (4012210332), we get a palindrome (27313431372).

The spelling of 23301221040 in words is "twenty-three billion, three hundred one million, two hundred twenty-one thousand, forty".