23120221302 has 48 divisors (see below), whose sum is σ = 51466208352. Its totient is φ = 7495752960.

The previous prime is 23120221301. The next prime is 23120221351. The reversal of 23120221302 is 20312202132.

23120221302 is a `hidden beast` number, since 23 + 120 + 221 + 302 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120221301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2777727 + ... + 2786037.

It is an arithmetic number, because the mean of its divisors is an integer number (1072212674).

Almost surely, 2^23120221302 is an apocalyptic number.

23120221302 is an abundant number, since it is smaller than the sum of its proper divisors (28345987050).

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

23120221302 is a wasteful number, since it uses less digits than its factorization.

23120221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533 (or 12530 counting only the distinct ones).

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

Adding to 23120221302 its reverse (20312202132), we get a palindrome (43432423434).

The spelling of 23120221302 in words is "twenty-three billion, one hundred twenty million, two hundred twenty-one thousand, three hundred two".