43152421023 has 6 divisors (see below), whose sum is σ = 62331274824. Its totient is φ = 28768280676.

The previous prime is 43152421009. The next prime is 43152421027. The reversal of 43152421023 is 32012425134.

43152421023 is a `hidden beast` number, since 4 + 31 + 524 + 2 + 102 + 3 = 666.

It is not a de Polignac number, because 43152421023 - 2²⁹ = 42615550111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43152421027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2397356715 + ... + 2397356732.

It is an arithmetic number, because the mean of its divisors is an integer number (10388545804).

Almost surely, 2^43152421023 is an apocalyptic number.

43152421023 is a deficient number, since it is larger than the sum of its proper divisors (19178853801).

43152421023 is a wasteful number, since it uses less digits than its factorization.

43152421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794713453 (or 4794713450 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 43152421023 its reverse (32012425134), we get a palindrome (75164846157).

The spelling of 43152421023 in words is "forty-three billion, one hundred fifty-two million, four hundred twenty-one thousand, twenty-three".