21410142023 has 4 divisors (see below), whose sum is σ = 22669562160. Its totient is φ = 20150721888.

The previous prime is 21410142007. The next prime is 21410142031. The reversal of 21410142023 is 32024101412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21410142023 - 2⁴ = 21410142007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21410141986 and 21410142004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410142073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629710043 + ... + 629710076.

It is an arithmetic number, because the mean of its divisors is an integer number (5667390540).

Almost surely, 2^21410142023 is an apocalyptic number.

21410142023 is a deficient number, since it is larger than the sum of its proper divisors (1259420137).

21410142023 is a wasteful number, since it uses less digits than its factorization.

21410142023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259420136.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21410142023 its reverse (32024101412), we get a palindrome (53434243435).

The spelling of 21410142023 in words is "twenty-one billion, four hundred ten million, one hundred forty-two thousand, twenty-three".