1395026623 has 2 divisors, whose sum is σ = 1395026624. Its totient is φ = 1395026622.

The previous prime is 1395026609. The next prime is 1395026671. The reversal of 1395026623 is 3266205931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1395026623 - 2¹³ = 1395018431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1395026723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697513311 + 697513312.

It is an arithmetic number, because the mean of its divisors is an integer number (697513312).

Almost surely, 2^1395026623 is an apocalyptic number.

1395026623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1395026623 is an equidigital number, since it uses as much as digits as its factorization.

1395026623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1395026623 is about 37350.0551940690. The cubic root of 1395026623 is about 1117.3626889796.

The spelling of 1395026623 in words is "one billion, three hundred ninety-five million, twenty-six thousand, six hundred twenty-three".