1425359623 has 2 divisors, whose sum is σ = 1425359624. Its totient is φ = 1425359622.

The previous prime is 1425359603. The next prime is 1425359717. The reversal of 1425359623 is 3269535241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1425359623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425359603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712679811 + 712679812.

It is an arithmetic number, because the mean of its divisors is an integer number (712679812).

Almost surely, 2^1425359623 is an apocalyptic number.

1425359623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425359623 is an equidigital number, since it uses as much as digits as its factorization.

1425359623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 1425359623 is about 37753.9351988637. The cubic root of 1425359623 is about 1125.4032129645.

The spelling of 1425359623 in words is "one billion, four hundred twenty-five million, three hundred fifty-nine thousand, six hundred twenty-three".