1013420623 has 2 divisors, whose sum is σ = 1013420624. Its totient is φ = 1013420622.

The previous prime is 1013420591. The next prime is 1013420663. The reversal of 1013420623 is 3260243101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013420623 - 2⁵ = 1013420591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013420594 and 1013420603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013420663) 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, 506710311 + 506710312.

It is an arithmetic number, because the mean of its divisors is an integer number (506710312).

Almost surely, 2^1013420623 is an apocalyptic number.

1013420623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013420623 is an equidigital number, since it uses as much as digits as its factorization.

1013420623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1013420623 is about 31834.2680613203. The cubic root of 1013420623 is about 1004.4536763207.

Adding to 1013420623 its reverse (3260243101), we get a palindrome (4273663724).

The spelling of 1013420623 in words is "one billion, thirteen million, four hundred twenty thousand, six hundred twenty-three".