21411034023 has 8 divisors (see below), whose sum is σ = 28615857136. Its totient is φ = 14240116800.

The previous prime is 21411034019. The next prime is 21411034039. The reversal of 21411034023 is 32043011412.

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

It is not a de Polignac number, because 21411034023 - 2² = 21411034019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411034003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8474998 + ... + 8477523.

It is an arithmetic number, because the mean of its divisors is an integer number (3576982142).

Almost surely, 2^21411034023 is an apocalyptic number.

21411034023 is a deficient number, since it is larger than the sum of its proper divisors (7204823113).

21411034023 is a wasteful number, since it uses less digits than its factorization.

21411034023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952945.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21411034023 its reverse (32043011412), we get a palindrome (53454045435).

The spelling of 21411034023 in words is "twenty-one billion, four hundred eleven million, thirty-four thousand, twenty-three".