21010532323 has 12 divisors (see below), whose sum is σ = 23098499424. Its totient is φ = 19096946000.

The previous prime is 21010532267. The next prime is 21010532363. The reversal of 21010532323 is 32323501012.

It is not a de Polignac number, because 21010532323 - 2⁹ = 21010531811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21010532294 and 21010532303.

It is not an unprimeable number, because it can be changed into a prime (21010532363) 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, 817773 + ... + 843073.

It is an arithmetic number, because the mean of its divisors is an integer number (1924874952).

Almost surely, 2^21010532323 is an apocalyptic number.

21010532323 is a deficient number, since it is larger than the sum of its proper divisors (2087967101).

21010532323 is a wasteful number, since it uses less digits than its factorization.

21010532323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32186 (or 32175 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The spelling of 21010532323 in words is "twenty-one billion, ten million, five hundred thirty-two thousand, three hundred twenty-three".