23436201666420 has 72 divisors (see below), whose sum is σ = 71090230708224. Its totient is φ = 6249616943808.

The previous prime is 23436201666401. The next prime is 23436201666473. The reversal of 23436201666420 is 2466610263432.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45327397 + ... + 45841523.

It is an arithmetic number, because the mean of its divisors is an integer number (987364315392).

Almost surely, 2^{23436201666420} is an apocalyptic number.

23436201666420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23436201666420 is an abundant number, since it is smaller than the sum of its proper divisors (47654029041804).

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

23436201666420 is a wasteful number, since it uses less digits than its factorization.

23436201666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767389 (or 767384 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 23436201666420 in words is "twenty-three trillion, four hundred thirty-six billion, two hundred one million, six hundred sixty-six thousand, four hundred twenty".