23121323302 has 32 divisors (see below), whose sum is σ = 43251231744. Its totient is φ = 9005942400.

The previous prime is 23121323279. The next prime is 23121323339. The reversal of 23121323302 is 20332312132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640158 + ... + 675310.

It is an arithmetic number, because the mean of its divisors is an integer number (1351600992).

Almost surely, 2^23121323302 is an apocalyptic number.

23121323302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23121323302 is a deficient number, since it is larger than the sum of its proper divisors (20129908442).

23121323302 is a wasteful number, since it uses less digits than its factorization.

23121323302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39444.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23121323302 its reverse (20332312132), we get a palindrome (43453635434).

The spelling of 23121323302 in words is "twenty-three billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred two".