23214420439 has 4 divisors (see below), whose sum is σ = 26530766224. Its totient is φ = 19898074656.

The previous prime is 23214420413. The next prime is 23214420443. The reversal of 23214420439 is 93402441232.

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 23214420439 - 2⁷ = 23214420311 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 (23214420139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1658172882 + ... + 1658172895.

It is an arithmetic number, because the mean of its divisors is an integer number (6632691556).

Almost surely, 2^23214420439 is an apocalyptic number.

23214420439 is a deficient number, since it is larger than the sum of its proper divisors (3316345785).

23214420439 is an equidigital number, since it uses as much as digits as its factorization.

23214420439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316345784.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 23214420439 in words is "twenty-three billion, two hundred fourteen million, four hundred twenty thousand, four hundred thirty-nine".