23355213545 has 16 divisors (see below), whose sum is σ = 28410056640. Its totient is φ = 18429036864.

The previous prime is 23355213529. The next prime is 23355213569. The reversal of 23355213545 is 54531255332.

It is a cyclic number.

It is not a de Polignac number, because 23355213545 - 2⁴ = 23355213529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23355213499 and 23355213508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211427 + ... + 302343.

It is an arithmetic number, because the mean of its divisors is an integer number (1775628540).

Almost surely, 2^23355213545 is an apocalyptic number.

It is an amenable number.

23355213545 is a deficient number, since it is larger than the sum of its proper divisors (5054843095).

23355213545 is an equidigital number, since it uses as much as digits as its factorization.

23355213545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91624.

The product of its digits is 270000, while the sum is 38.

Adding to 23355213545 its reverse (54531255332), we get a palindrome (77886468877).

The spelling of 23355213545 in words is "twenty-three billion, three hundred fifty-five million, two hundred thirteen thousand, five hundred forty-five".