21414400023 has 8 divisors (see below), whose sum is σ = 29537103600. Its totient is φ = 13783981568.

The previous prime is 21414400019. The next prime is 21414400027. The reversal of 21414400023 is 32000441412.

It is an interprime number because it is at equal distance from previous prime (21414400019) and next prime (21414400027).

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

It is a cyclic number.

It is not a de Polignac number, because 21414400023 - 2² = 21414400019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414400027) 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, 123071178 + ... + 123071351.

It is an arithmetic number, because the mean of its divisors is an integer number (3692137950).

Almost surely, 2^21414400023 is an apocalyptic number.

21414400023 is a deficient number, since it is larger than the sum of its proper divisors (8122703577).

21414400023 is a wasteful number, since it uses less digits than its factorization.

21414400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246142561.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21414400023 its reverse (32000441412), we get a palindrome (53414841435).

The spelling of 21414400023 in words is "twenty-one billion, four hundred fourteen million, four hundred thousand, twenty-three".