2301232155 has 16 divisors (see below), whose sum is σ = 3708850464. Its totient is φ = 1218364160.

The previous prime is 2301232151. The next prime is 2301232181. The reversal of 2301232155 is 5512321032.

It is a happy number.

It is not a de Polignac number, because 2301232155 - 2² = 2301232151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2301232151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557856 + ... + 561965.

It is an arithmetic number, because the mean of its divisors is an integer number (231803154).

Almost surely, 2^2301232155 is an apocalyptic number.

2301232155 is a deficient number, since it is larger than the sum of its proper divisors (1407618309).

2301232155 is a wasteful number, since it uses less digits than its factorization.

2301232155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119966.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2301232155 is about 47971.1596170032. The cubic root of 2301232155 is about 1320.2417974175.

Adding to 2301232155 its reverse (5512321032), we get a palindrome (7813553187).

The spelling of 2301232155 in words is "two billion, three hundred one million, two hundred thirty-two thousand, one hundred fifty-five".