23413453645 has 12 divisors (see below), whose sum is σ = 28784109564. Its totient is φ = 18272205120.

The previous prime is 23413453633. The next prime is 23413453691. The reversal of 23413453645 is 54635431432.

It can be written as a sum of positive squares in 2 ways, for example, as 4111630884 + 19301822761 = 64122^2 + 138931^2 .

It is not a de Polignac number, because 23413453645 - 2¹⁹ = 23412929357 is a prime.

It is a super-3 number, since 3×23413453645³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23413453598 and 23413453607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2185492 + ... + 2196178.

It is an arithmetic number, because the mean of its divisors is an integer number (2398675797).

Almost surely, 2^23413453645 is an apocalyptic number.

It is an amenable number.

23413453645 is a deficient number, since it is larger than the sum of its proper divisors (5370655919).

23413453645 is an frugal number, since it uses more digits than its factorization.

23413453645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21420 (or 10733 counting only the distinct ones).

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

The spelling of 23413453645 in words is "twenty-three billion, four hundred thirteen million, four hundred fifty-three thousand, six hundred forty-five".