131223763 has 16 divisors (see below), whose sum is σ = 149817600. Its totient is φ = 113771680.

The previous prime is 131223761. The next prime is 131223767. The reversal of 131223763 is 367322131.

It is not a de Polignac number, because 131223763 - 2¹ = 131223761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131223761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128268 + ... + 129286.

It is an arithmetic number, because the mean of its divisors is an integer number (9363600).

Almost surely, 2^131223763 is an apocalyptic number.

131223763 is a deficient number, since it is larger than the sum of its proper divisors (18593837).

131223763 is a wasteful number, since it uses less digits than its factorization.

131223763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

The product of its digits is 4536, while the sum is 28.

The square root of 131223763 is about 11455.2941036012. The cubic root of 131223763 is about 508.1643130508.

Adding to 131223763 its reverse (367322131), we get a palindrome (498545894).

The spelling of 131223763 in words is "one hundred thirty-one million, two hundred twenty-three thousand, seven hundred sixty-three".