523372477 has 4 divisors (see below), whose sum is σ = 525562560. Its totient is φ = 521182396.

The previous prime is 523372463. The next prime is 523372513. The reversal of 523372477 is 774273325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523372477 - 2¹⁵ = 523339709 is a prime.

It is a super-2 number, since 2×523372477² = 547837499362231058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523372457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1094683 + ... + 1095160.

It is an arithmetic number, because the mean of its divisors is an integer number (131390640).

Almost surely, 2^523372477 is an apocalyptic number.

It is an amenable number.

523372477 is a deficient number, since it is larger than the sum of its proper divisors (2190083).

523372477 is a wasteful number, since it uses less digits than its factorization.

523372477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190082.

The product of its digits is 246960, while the sum is 40.

The square root of 523372477 is about 22877.3354436219. The cubic root of 523372477 is about 805.8798435286.

The spelling of 523372477 in words is "five hundred twenty-three million, three hundred seventy-two thousand, four hundred seventy-seven".