40453403 has 2 divisors, whose sum is σ = 40453404. Its totient is φ = 40453402.

The previous prime is 40453397. The next prime is 40453423. The reversal of 40453403 is 30435404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40453403 - 2⁶ = 40453339 is a prime.

It is not a weakly prime, because it can be changed into another prime (40453423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226701 + 20226702.

It is an arithmetic number, because the mean of its divisors is an integer number (20226702).

Almost surely, 2^40453403 is an apocalyptic number.

40453403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40453403 is an equidigital number, since it uses as much as digits as its factorization.

40453403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40453403 is about 6360.2989709604. The cubic root of 40453403 is about 343.2825179033.

Adding to 40453403 its reverse (30435404), we get a palindrome (70888807).

The spelling of 40453403 in words is "forty million, four hundred fifty-three thousand, four hundred three".