23151602135421 has 96 divisors (see below), whose sum is σ = 34878300912000. Its totient is φ = 14785431220224.

The previous prime is 23151602135381. The next prime is 23151602135423. The reversal of 23151602135421 is 12453120615132.

23151602135421 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 1 + 602 + 1 + 3 + 5 + 42 + 1 = 666.

It is not a de Polignac number, because 23151602135421 - 2⁷ = 23151602135293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151602135423) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 15868129590 + ... + 15868131048.

It is an arithmetic number, because the mean of its divisors is an integer number (363315634500).

Almost surely, 2^{23151602135421} is an apocalyptic number.

It is an amenable number.

23151602135421 is a deficient number, since it is larger than the sum of its proper divisors (11726698776579).

23151602135421 is a wasteful number, since it uses less digits than its factorization.

23151602135421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3163 (or 3160 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 23151602135421 in words is "twenty-three trillion, one hundred fifty-one billion, six hundred two million, one hundred thirty-five thousand, four hundred twenty-one".