312240453 has 16 divisors (see below), whose sum is σ = 476044800. Its totient is φ = 178329456.

The previous prime is 312240427. The next prime is 312240473. The reversal of 312240453 is 354042213.

It is not a de Polignac number, because 312240453 - 2¹² = 312236357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312240473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67026 + ... + 71532.

It is an arithmetic number, because the mean of its divisors is an integer number (29752800).

Almost surely, 2^312240453 is an apocalyptic number.

It is an amenable number.

312240453 is a deficient number, since it is larger than the sum of its proper divisors (163804347).

312240453 is a wasteful number, since it uses less digits than its factorization.

312240453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7816.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 312240453 is about 17670.3269069930. The cubic root of 312240453 is about 678.4164803926.

Adding to 312240453 its reverse (354042213), we get a palindrome (666282666).

The spelling of 312240453 in words is "three hundred twelve million, two hundred forty thousand, four hundred fifty-three".