23535654203421 has 12 divisors (see below), whose sum is σ = 35255054033472. Its totient is φ = 15690436135452.

The previous prime is 23535654203417. The next prime is 23535654203429. The reversal of 23535654203421 is 12430245653532.

23535654203421 is a `hidden beast` number, since 2 + 3 + 5 + 3 + 56 + 542 + 0 + 34 + 21 = 666.

It is not a de Polignac number, because 23535654203421 - 2² = 23535654203417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23535654203429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48427271781 + ... + 48427272266.

It is an arithmetic number, because the mean of its divisors is an integer number (2937921169456).

Almost surely, 2^{23535654203421} is an apocalyptic number.

It is an amenable number.

23535654203421 is a deficient number, since it is larger than the sum of its proper divisors (11719399830051).

23535654203421 is an frugal number, since it uses more digits than its factorization.

23535654203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96854544062 (or 96854544050 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 23535654203421 its reverse (12430245653532), we get a palindrome (35965899856953).

The spelling of 23535654203421 in words is "twenty-three trillion, five hundred thirty-five billion, six hundred fifty-four million, two hundred three thousand, four hundred twenty-one".