620532423 has 36 divisors (see below), whose sum is σ = 1045284240. Its totient is φ = 353699136.

The previous prime is 620532389. The next prime is 620532431. The reversal of 620532423 is 324235026.

620532423 is a `hidden beast` number, since 6 + 205 + 32 + 423 = 666.

It is not a de Polignac number, because 620532423 - 2¹³ = 620524231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620132423) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 199998 + ... + 203076.

Almost surely, 2^620532423 is an apocalyptic number.

620532423 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

620532423 is a deficient number, since it is larger than the sum of its proper divisors (424751817).

620532423 is a wasteful number, since it uses less digits than its factorization.

620532423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 620532423 is about 24910.4882127990. The cubic root of 620532423 is about 852.9459134939.

Adding to 620532423 its reverse (324235026), we get a palindrome (944767449).

The spelling of 620532423 in words is "six hundred twenty million, five hundred thirty-two thousand, four hundred twenty-three".