21160150023 has 4 divisors (see below), whose sum is σ = 28213533368. Its totient is φ = 14106766680.

The previous prime is 21160149961. The next prime is 21160150027. The reversal of 21160150023 is 32005106112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 21160150023 - 2⁹ = 21160149511 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 (21160150027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3526691668 + ... + 3526691673.

It is an arithmetic number, because the mean of its divisors is an integer number (7053383342).

Almost surely, 2^21160150023 is an apocalyptic number.

21160150023 is a deficient number, since it is larger than the sum of its proper divisors (7053383345).

21160150023 is an equidigital number, since it uses as much as digits as its factorization.

21160150023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053383344.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 21160150023 its reverse (32005106112), we get a palindrome (53165256135).

The spelling of 21160150023 in words is "twenty-one billion, one hundred sixty million, one hundred fifty thousand, twenty-three".