1231524303223 has 8 divisors (see below), whose sum is σ = 1236843972000. Its totient is φ = 1226204926848.

The previous prime is 1231524303179. The next prime is 1231524303239. The reversal of 1231524303223 is 3223034251321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231524303223 - 2⁹ = 1231524302711 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 (1231524303283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15470878 + ... + 15550276.

It is an arithmetic number, because the mean of its divisors is an integer number (154605496500).

Almost surely, 2^{1231524303223} is an apocalyptic number.

1231524303223 is a deficient number, since it is larger than the sum of its proper divisors (5319668777).

1231524303223 is an equidigital number, since it uses as much as digits as its factorization.

1231524303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146201.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1231524303223 its reverse (3223034251321), we get a palindrome (4454558554544).

The spelling of 1231524303223 in words is "one trillion, two hundred thirty-one billion, five hundred twenty-four million, three hundred three thousand, two hundred twenty-three".