23452200400420 has 72 divisors (see below), whose sum is σ = 54691962551352. Its totient is φ = 8440154511360.

The previous prime is 23452200400411. The next prime is 23452200400427. The reversal of 23452200400420 is 2400400225432.

It can be written as a sum of positive squares in 4 ways, for example, as 7270616102464 + 16181584297956 = 2696408^2 + 4022634^2 .

It is not an unprimeable number, because it can be changed into a prime (23452200400427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49718827 + ... + 50188306.

It is an arithmetic number, because the mean of its divisors is an integer number (759610590991).

Almost surely, 2^{23452200400420} is an apocalyptic number.

23452200400420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23452200400420 is an abundant number, since it is smaller than the sum of its proper divisors (31239762150932).

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

23452200400420 is a wasteful number, since it uses less digits than its factorization.

23452200400420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99907261 (or 99907248 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 23452200400420 its reverse (2400400225432), we get a palindrome (25852600625852).

The spelling of 23452200400420 in words is "twenty-three trillion, four hundred fifty-two billion, two hundred million, four hundred thousand, four hundred twenty".