23402421455020 has 12 divisors (see below), whose sum is σ = 49145085055584. Its totient is φ = 9360968582000.

The previous prime is 23402421454991. The next prime is 23402421455053. The reversal of 23402421455020 is 2055412420432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585060536356 + ... + 585060536395.

It is an arithmetic number, because the mean of its divisors is an integer number (4095423754632).

Almost surely, 2^{23402421455020} is an apocalyptic number.

23402421455020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23402421455020 is an abundant number, since it is smaller than the sum of its proper divisors (25742663600564).

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

23402421455020 is a wasteful number, since it uses less digits than its factorization.

23402421455020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170121072760 (or 1170121072758 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 23402421455020 its reverse (2055412420432), we get a palindrome (25457833875452).

The spelling of 23402421455020 in words is "twenty-three trillion, four hundred two billion, four hundred twenty-one million, four hundred fifty-five thousand, twenty".