23400222559 has 32 divisors (see below), whose sum is σ = 29181542400. Its totient is φ = 18311015520.

The previous prime is 23400222557. The next prime is 23400222623. The reversal of 23400222559 is 95522200432.

It is not a de Polignac number, because 23400222559 - 2¹ = 23400222557 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 (23400222557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973524 + ... + 997270.

It is an arithmetic number, because the mean of its divisors is an integer number (911923200).

Almost surely, 2^23400222559 is an apocalyptic number.

23400222559 is a deficient number, since it is larger than the sum of its proper divisors (5781319841).

23400222559 is a wasteful number, since it uses less digits than its factorization.

23400222559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24043.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 23400222559 in words is "twenty-three billion, four hundred million, two hundred twenty-two thousand, five hundred fifty-nine".