23550320252155 has 64 divisors (see below), whose sum is σ = 31099131601920. Its totient is φ = 17061742297600.

The previous prime is 23550320252149. The next prime is 23550320252159. The reversal of 23550320252155 is 55125202305532.

It is not a de Polignac number, because 23550320252155 - 2⁴³ = 14754227229947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23550320252159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 320066520 + ... + 320140090.

It is an arithmetic number, because the mean of its divisors is an integer number (485923931280).

Almost surely, 2^{23550320252155} is an apocalyptic number.

23550320252155 is a deficient number, since it is larger than the sum of its proper divisors (7548811349765).

23550320252155 is a wasteful number, since it uses less digits than its factorization.

23550320252155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75492.

The product of its (nonzero) digits is 450000, while the sum is 40.

Adding to 23550320252155 its reverse (55125202305532), we get a palindrome (78675522557687).

The spelling of 23550320252155 in words is "twenty-three trillion, five hundred fifty billion, three hundred twenty million, two hundred fifty-two thousand, one hundred fifty-five".