21254325023 has 8 divisors (see below), whose sum is σ = 21628114560. Its totient is φ = 20880987160.

The previous prime is 21254324999. The next prime is 21254325077. The reversal of 21254325023 is 32052345212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21254325023 - 2¹⁰ = 21254323999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21254325223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17273 + ... + 206898.

It is an arithmetic number, because the mean of its divisors is an integer number (2703514320).

Almost surely, 2^21254325023 is an apocalyptic number.

21254325023 is a deficient number, since it is larger than the sum of its proper divisors (373789537).

21254325023 is a wasteful number, since it uses less digits than its factorization.

21254325023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225837.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 21254325023 in words is "twenty-one billion, two hundred fifty-four million, three hundred twenty-five thousand, twenty-three".