21523342114 has 8 divisors (see below), whose sum is σ = 32814275868. Its totient is φ = 10585250160.

The previous prime is 21523342081. The next prime is 21523342121. The reversal of 21523342114 is 41124332512.

It can be written as a sum of positive squares in 2 ways, for example, as 14207448025 + 7315894089 = 119195^2 + 85533^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88210297 + ... + 88210540.

Almost surely, 2^21523342114 is an apocalyptic number.

21523342114 is a deficient number, since it is larger than the sum of its proper divisors (11290933754).

21523342114 is a wasteful number, since it uses less digits than its factorization.

21523342114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176420900.

The product of its digits is 5760, while the sum is 28.

Adding to 21523342114 its reverse (41124332512), we get a palindrome (62647674626).

The spelling of 21523342114 in words is "twenty-one billion, five hundred twenty-three million, three hundred forty-two thousand, one hundred fourteen".