23364523404643 has 4 divisors (see below), whose sum is σ = 23380278310648. Its totient is φ = 23348768498640.

The previous prime is 23364523404619. The next prime is 23364523404653. The reversal of 23364523404643 is 34640432546332.

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 23364523404643 - 2¹⁷ = 23364523273571 is a prime.

It is a super-2 number, since 2×23364523404643² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23364523404653) 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, 7877450778 + ... + 7877453743.

It is an arithmetic number, because the mean of its divisors is an integer number (5845069577662).

Almost surely, 2^{23364523404643} is an apocalyptic number.

23364523404643 is a deficient number, since it is larger than the sum of its proper divisors (15754906005).

23364523404643 is a wasteful number, since it uses less digits than its factorization.

23364523404643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15754906004.

The product of its (nonzero) digits is 14929920, while the sum is 49.

The spelling of 23364523404643 in words is "twenty-three trillion, three hundred sixty-four billion, five hundred twenty-three million, four hundred four thousand, six hundred forty-three".