23404010402420 has 96 divisors (see below), whose sum is σ = 54780823843200. Its totient is φ = 8346823593984.

The previous prime is 23404010402413. The next prime is 23404010402431. The reversal of 23404010402420 is 2420401040432.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23404010402420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178805519 + ... + 178936361.

It is an arithmetic number, because the mean of its divisors is an integer number (570633581700).

Almost surely, 2^{23404010402420} is an apocalyptic number.

23404010402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23404010402420 is an abundant number, since it is smaller than the sum of its proper divisors (31376813440780).

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

23404010402420 is a wasteful number, since it uses less digits than its factorization.

23404010402420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158577 (or 158575 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 23404010402420 its reverse (2420401040432), we get a palindrome (25824411442852).

The spelling of 23404010402420 in words is "twenty-three trillion, four hundred four billion, ten million, four hundred two thousand, four hundred twenty".