23402420320 has 48 divisors (see below), whose sum is σ = 58540472928. Its totient is φ = 8810321920.

The previous prime is 23402420297. The next prime is 23402420323. The reversal of 23402420320 is 2302420432.

It is a junction number, because it is equal to n+sod(n) for n = 23402420291 and 23402420300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402420323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4299196 + ... + 4304635.

It is an arithmetic number, because the mean of its divisors is an integer number (1219593186).

Almost surely, 2^23402420320 is an apocalyptic number.

23402420320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23402420320 is an abundant number, since it is smaller than the sum of its proper divisors (35138052608).

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

23402420320 is a wasteful number, since it uses less digits than its factorization.

23402420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603863 (or 8603855 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23402420320 its reverse (2302420432), we get a palindrome (25704840752).

The spelling of 23402420320 in words is "twenty-three billion, four hundred two million, four hundred twenty thousand, three hundred twenty".