240203020403 has 2 divisors, whose sum is σ = 240203020404. Its totient is φ = 240203020402.

The previous prime is 240203020397. The next prime is 240203020459. The reversal of 240203020403 is 304020302042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240203020403 - 2⁸ = 240203020147 is a prime.

It is not a weakly prime, because it can be changed into another prime (240203020303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120101510201 + 120101510202.

It is an arithmetic number, because the mean of its divisors is an integer number (120101510202).

Almost surely, 2^240203020403 is an apocalyptic number.

240203020403 is a deficient number, since it is larger than the sum of its proper divisors (1).

240203020403 is an equidigital number, since it uses as much as digits as its factorization.

240203020403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 240203020403 its reverse (304020302042), we get a palindrome (544223322445).

The spelling of 240203020403 in words is "two hundred forty billion, two hundred three million, twenty thousand, four hundred three".