21023463150 has 36 divisors (see below), whose sum is σ = 56483038872. Its totient is φ = 5606256720.

The previous prime is 21023463137. The next prime is 21023463187. The reversal of 21023463150 is 5136432012.

21023463150 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 346 + 315 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23358954 + ... + 23359853.

It is an arithmetic number, because the mean of its divisors is an integer number (1568973302).

Almost surely, 2^21023463150 is an apocalyptic number.

21023463150 is an abundant number, since it is smaller than the sum of its proper divisors (35459575722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21023463150 is a wasteful number, since it uses less digits than its factorization.

21023463150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46718825 (or 46718817 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 21023463150 its reverse (5136432012), we get a palindrome (26159895162).

The spelling of 21023463150 in words is "twenty-one billion, twenty-three million, four hundred sixty-three thousand, one hundred fifty".