1040420323 has 2 divisors, whose sum is σ = 1040420324. Its totient is φ = 1040420322.

The previous prime is 1040420299. The next prime is 1040420393. The reversal of 1040420323 is 3230240401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040420323 - 2⁹ = 1040419811 is a prime.

It is a super-2 number, since 2×1040420323² = 2164948897022848658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040420323.

It is not a weakly prime, because it can be changed into another prime (1040420393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520210161 + 520210162.

It is an arithmetic number, because the mean of its divisors is an integer number (520210162).

Almost surely, 2^1040420323 is an apocalyptic number.

1040420323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040420323 is an equidigital number, since it uses as much as digits as its factorization.

1040420323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1040420323 is about 32255.5471663402. The cubic root of 1040420323 is about 1013.2958771671.

Adding to 1040420323 its reverse (3230240401), we get a palindrome (4270660724).

The spelling of 1040420323 in words is "one billion, forty million, four hundred twenty thousand, three hundred twenty-three".