21532423044230 has 32 divisors (see below), whose sum is σ = 45131030086464. Its totient is φ = 7243251739776.

The previous prime is 21532423044227. The next prime is 21532423044241. The reversal of 21532423044230 is 3244032423512.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2901940097 + ... + 2901947516.

It is an arithmetic number, because the mean of its divisors is an integer number (1410344690202).

Almost surely, 2^{21532423044230} is an apocalyptic number.

21532423044230 is an abundant number, since it is smaller than the sum of its proper divisors (23598607042234).

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

21532423044230 is a wasteful number, since it uses less digits than its factorization.

21532423044230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803887680.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 21532423044230 its reverse (3244032423512), we get a palindrome (24776455467742).

The spelling of 21532423044230 in words is "twenty-one trillion, five hundred thirty-two billion, four hundred twenty-three million, forty-four thousand, two hundred thirty".