3231155423 has 4 divisors (see below), whose sum is σ = 3262525968. Its totient is φ = 3199784880.

The previous prime is 3231155399. The next prime is 3231155449. The reversal of 3231155423 is 3245511323.

It is a happy number.

3231155423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245511323 = 26591 ⋅122053.

It is a cyclic number.

It is not a de Polignac number, because 3231155423 - 2¹⁴ = 3231139039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231115423) 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, 15685118 + ... + 15685323.

It is an arithmetic number, because the mean of its divisors is an integer number (815631492).

Almost surely, 2^3231155423 is an apocalyptic number.

3231155423 is a deficient number, since it is larger than the sum of its proper divisors (31370545).

3231155423 is a wasteful number, since it uses less digits than its factorization.

3231155423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31370544.

The product of its digits is 10800, while the sum is 29.

The square root of 3231155423 is about 56843.2531000822. The cubic root of 3231155423 is about 1478.3795605973.

Adding to 3231155423 its reverse (3245511323), we get a palindrome (6476666746).

The spelling of 3231155423 in words is "three billion, two hundred thirty-one million, one hundred fifty-five thousand, four hundred twenty-three".