10523431 has 4 divisors (see below), whose sum is σ = 10533712. Its totient is φ = 10513152.

The previous prime is 10523393. The next prime is 10523437. The reversal of 10523431 is 13432501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13432501 = 1447 ⋅9283.

It is a cyclic number.

It is not a de Polignac number, because 10523431 - 2¹⁷ = 10392359 is a prime.

It is a super-2 number, since 2×10523431² = 221485200023522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10523399 and 10523408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10523437) 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, 3411 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (2633428).

Almost surely, 2^10523431 is an apocalyptic number.

10523431 is a deficient number, since it is larger than the sum of its proper divisors (10281).

10523431 is an equidigital number, since it uses as much as digits as its factorization.

10523431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 10523431 is about 3243.9838162358. The cubic root of 10523431 is about 219.1387193389.

Adding to 10523431 its reverse (13432501), we get a palindrome (23955932).

The spelling of 10523431 in words is "ten million, five hundred twenty-three thousand, four hundred thirty-one".