23243511323555 has 4 divisors (see below), whose sum is σ = 27892213588272. Its totient is φ = 18594809058840.

The previous prime is 23243511323429. The next prime is 23243511323561. The reversal of 23243511323555 is 55532311534232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23243511323555 - 2⁸ = 23243511323299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324351132351 + ... + 2324351132360.

It is an arithmetic number, because the mean of its divisors is an integer number (6973053397068).

Almost surely, 2^{23243511323555} is an apocalyptic number.

23243511323555 is a deficient number, since it is larger than the sum of its proper divisors (4648702264717).

23243511323555 is an equidigital number, since it uses as much as digits as its factorization.

23243511323555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648702264716.

The product of its digits is 1620000, while the sum is 44.

Adding to 23243511323555 its reverse (55532311534232), we get a palindrome (78775822857787).

The spelling of 23243511323555 in words is "twenty-three trillion, two hundred forty-three billion, five hundred eleven million, three hundred twenty-three thousand, five hundred fifty-five".