628026423 has 4 divisors (see below), whose sum is σ = 837368568. Its totient is φ = 418684280.

The previous prime is 628026409. The next prime is 628026457. The reversal of 628026423 is 324620826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628026423 - 2⁸ = 628026167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628026473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104671068 + ... + 104671073.

It is an arithmetic number, because the mean of its divisors is an integer number (209342142).

Almost surely, 2^628026423 is an apocalyptic number.

628026423 is a deficient number, since it is larger than the sum of its proper divisors (209342145).

628026423 is a wasteful number, since it uses less digits than its factorization.

628026423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209342144.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 628026423 is about 25060.4553629817. The cubic root of 628026423 is about 856.3657812923.

The spelling of 628026423 in words is "six hundred twenty-eight million, twenty-six thousand, four hundred twenty-three".