32238813155 has 4 divisors (see below), whose sum is σ = 38686575792. Its totient is φ = 25791050520.

The previous prime is 32238813127. The next prime is 32238813157. The reversal of 32238813155 is 55131883223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55131883223 = 23 ⋅2397038401.

It is not a de Polignac number, because 32238813155 - 2¹⁸ = 32238551011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32238813157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223881311 + ... + 3223881320.

It is an arithmetic number, because the mean of its divisors is an integer number (9671643948).

Almost surely, 2^32238813155 is an apocalyptic number.

32238813155 is a deficient number, since it is larger than the sum of its proper divisors (6447762637).

32238813155 is an equidigital number, since it uses as much as digits as its factorization.

32238813155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447762636.

The product of its digits is 172800, while the sum is 41.

The spelling of 32238813155 in words is "thirty-two billion, two hundred thirty-eight million, eight hundred thirteen thousand, one hundred fifty-five".