1353023231 has 48 divisors (see below), whose sum is σ = 1743379200. Its totient is φ = 1042094592.

The previous prime is 1353023197. The next prime is 1353023261. The reversal of 1353023231 is 1323203531.

It is not a de Polignac number, because 1353023231 - 2¹⁰ = 1353022207 is a prime.

It is a super-2 number, since 2×1353023231² = 3661343727251358722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1353023197 and 1353023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353023261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3832751 + ... + 3833103.

It is an arithmetic number, because the mean of its divisors is an integer number (36320400).

Almost surely, 2^1353023231 is an apocalyptic number.

1353023231 is a deficient number, since it is larger than the sum of its proper divisors (390355969).

1353023231 is a wasteful number, since it uses less digits than its factorization.

1353023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 1353023231 is about 36783.4640973359. The cubic root of 1353023231 is about 1106.0338477063.

Adding to 1353023231 its reverse (1323203531), we get a palindrome (2676226762).

The spelling of 1353023231 in words is "one billion, three hundred fifty-three million, twenty-three thousand, two hundred thirty-one".