1452423231 has 20 divisors (see below), whose sum is σ = 2479622992. Its totient is φ = 829955808.

The previous prime is 1452423209. The next prime is 1452423263. The reversal of 1452423231 is 1323242541.

1452423231 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 423 + 231 = 666.

1452423231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1452423231 - 2⁵ = 1452423199 is a prime.

It is a super-2 number, since 2×1452423231² = 4219066483896958722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1452423195 and 1452423204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452423031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1280230 + ... + 1281363.

Almost surely, 2^1452423231 is an apocalyptic number.

1452423231 is a deficient number, since it is larger than the sum of its proper divisors (1027199761).

1452423231 is an equidigital number, since it uses as much as digits as its factorization.

1452423231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561612 (or 2561603 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1452423231 is about 38110.6708285226. The cubic root of 1452423231 is about 1132.4813592827.

Adding to 1452423231 its reverse (1323242541), we get a palindrome (2775665772).

The spelling of 1452423231 in words is "one billion, four hundred fifty-two million, four hundred twenty-three thousand, two hundred thirty-one".