23402204020140 has 96 divisors (see below), whose sum is σ = 71485966105344. Its totient is φ = 5673033788160.

The previous prime is 23402204020133. The next prime is 23402204020141. The reversal of 23402204020140 is 4102040220432.

It is a self number, because there is not a number n which added to its sum of digits gives 23402204020140.

It is not an unprimeable number, because it can be changed into a prime (23402204020141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16036447 + ... + 17434793.

It is an arithmetic number, because the mean of its divisors is an integer number (744645480264).

Almost surely, 2^{23402204020140} is an apocalyptic number.

23402204020140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23402204020140 is an abundant number, since it is smaller than the sum of its proper divisors (48083762085204).

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

23402204020140 is a wasteful number, since it uses less digits than its factorization.

23402204020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423727 (or 1423725 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23402204020140 its reverse (4102040220432), we get a palindrome (27504244240572).

The spelling of 23402204020140 in words is "twenty-three trillion, four hundred two billion, two hundred four million, twenty thousand, one hundred forty".