523408077 has 12 divisors (see below), whose sum is σ = 759619744. Its totient is φ = 347283720.

The previous prime is 523408069. The next prime is 523408097. The reversal of 523408077 is 770804325.

It is not a de Polignac number, because 523408077 - 2³ = 523408069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523408007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135913 + ... + 139710.

Almost surely, 2^523408077 is an apocalyptic number.

It is an amenable number.

523408077 is a deficient number, since it is larger than the sum of its proper divisors (236211667).

523408077 is a wasteful number, since it uses less digits than its factorization.

523408077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275840 (or 275837 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 523408077 is about 22878.1134930308. The cubic root of 523408077 is about 805.8981152014.

The spelling of 523408077 in words is "five hundred twenty-three million, four hundred eight thousand, seventy-seven".