23405012352643 has 8 divisors (see below), whose sum is σ = 23448036922112. Its totient is φ = 23361988647816.

The previous prime is 23405012352541. The next prime is 23405012352703. The reversal of 23405012352643 is 34625321050432.

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 23405012352643 - 2²⁵ = 23404978798211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23405012352596 and 23405012352605.

It is not an unprimeable number, because it can be changed into a prime (23405012355643) 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, 84146746 + ... + 84424432.

It is an arithmetic number, because the mean of its divisors is an integer number (2931004615264).

Almost surely, 2^{23405012352643} is an apocalyptic number.

23405012352643 is a deficient number, since it is larger than the sum of its proper divisors (43024569469).

23405012352643 is a wasteful number, since it uses less digits than its factorization.

23405012352643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432321.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 23405012352643 in words is "twenty-three trillion, four hundred five billion, twelve million, three hundred fifty-two thousand, six hundred forty-three".