21623014716232 has 8 divisors (see below), whose sum is σ = 40543152592950. Its totient is φ = 10811507358112.

The previous prime is 21623014716197. The next prime is 21623014716301. The reversal of 21623014716232 is 23261741032612.

It can be written as a sum of positive squares in only one way, i.e., 16149258480996 + 5473756235236 = 4018614^2 + 2339606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351438419757 + ... + 1351438419772.

Almost surely, 2^{21623014716232} is an apocalyptic number.

It is an amenable number.

21623014716232 is a deficient number, since it is larger than the sum of its proper divisors (18920137876718).

21623014716232 is a wasteful number, since it uses less digits than its factorization.

21623014716232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702876839535 (or 2702876839531 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 21623014716232 its reverse (23261741032612), we get a palindrome (44884755748844).

The spelling of 21623014716232 in words is "twenty-one trillion, six hundred twenty-three billion, fourteen million, seven hundred sixteen thousand, two hundred thirty-two".