340233453 has 40 divisors (see below), whose sum is σ = 582449472. Its totient is φ = 193886784.

The previous prime is 340233451. The next prime is 340233473. The reversal of 340233453 is 354332043.

It is a happy number.

It is not a de Polignac number, because 340233453 - 2¹ = 340233451 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340233451) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 309601 + ... + 310697.

Almost surely, 2^340233453 is an apocalyptic number.

It is an amenable number.

340233453 is a deficient number, since it is larger than the sum of its proper divisors (242216019).

340233453 is a wasteful number, since it uses less digits than its factorization.

340233453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 340233453 is about 18445.4182115776. The cubic root of 340233453 is about 698.1129125251.

Adding to 340233453 its reverse (354332043), we get a palindrome (694565496).

The spelling of 340233453 in words is "three hundred forty million, two hundred thirty-three thousand, four hundred fifty-three".