23321303730 has 40 divisors (see below), whose sum is σ = 62708396652. Its totient is φ = 6219014112.

The previous prime is 23321303717. The next prime is 23321303737. The reversal of 23321303730 is 3730312332.

It is a happy number.

23321303730 is a `hidden beast` number, since 2 + 3 + 321 + 303 + 7 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21857552649 + 1463751081 = 147843^2 + 38259^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23321303694 and 23321303703.

It is not an unprimeable number, because it can be changed into a prime (23321303737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14395057 + ... + 14396676.

Almost surely, 2^23321303730 is an apocalyptic number.

23321303730 is an abundant number, since it is smaller than the sum of its proper divisors (39387092922).

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

23321303730 is a wasteful number, since it uses less digits than its factorization.

23321303730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28791752 (or 28791743 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 27.

The spelling of 23321303730 in words is "twenty-three billion, three hundred twenty-one million, three hundred three thousand, seven hundred thirty".