240233453 has 2 divisors, whose sum is σ = 240233454. Its totient is φ = 240233452.

The previous prime is 240233431. The next prime is 240233467. The reversal of 240233453 is 354332042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238949764 + 1283689 = 15458^2 + 1133^2 .

It is a cyclic number.

It is not a de Polignac number, because 240233453 - 2¹⁸ = 239971309 is a prime.

It is a super-2 number, since 2×240233453² = 115424223880606418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240233053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120116726 + 120116727.

It is an arithmetic number, because the mean of its divisors is an integer number (120116727).

Almost surely, 2^240233453 is an apocalyptic number.

It is an amenable number.

240233453 is a deficient number, since it is larger than the sum of its proper divisors (1).

240233453 is an equidigital number, since it uses as much as digits as its factorization.

240233453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 240233453 is about 15499.4662166153. The cubic root of 240233453 is about 621.6479338785.

Adding to 240233453 its reverse (354332042), we get a palindrome (594565495).

The spelling of 240233453 in words is "two hundred forty million, two hundred thirty-three thousand, four hundred fifty-three".