131063623 has 4 divisors (see below), whose sum is σ = 131086528. Its totient is φ = 131040720.

The previous prime is 131063617. The next prime is 131063633. The reversal of 131063623 is 326360131.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131063623 is a prime.

It is a super-2 number, since 2×131063623² = 34355346547772258, 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 (131063633) 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, 5290 + ... + 17032.

It is an arithmetic number, because the mean of its divisors is an integer number (32771632).

Almost surely, 2^131063623 is an apocalyptic number.

131063623 is a deficient number, since it is larger than the sum of its proper divisors (22905).

131063623 is a wasteful number, since it uses less digits than its factorization.

131063623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22904.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 131063623 is about 11448.3021885343. The cubic root of 131063623 is about 507.9575147370.

The spelling of 131063623 in words is "one hundred thirty-one million, sixty-three thousand, six hundred twenty-three".