113731623 has 6 divisors (see below), whose sum is σ = 164279024. Its totient is φ = 75821076.

The previous prime is 113731621. The next prime is 113731637. The reversal of 113731623 is 326137311.

113731623 is a `hidden beast` number, since 1 + 1 + 3 + 7 + 31 + 623 = 666.

It is not a de Polignac number, because 113731623 - 2¹ = 113731621 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 (113731621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6318415 + ... + 6318432.

Almost surely, 2^113731623 is an apocalyptic number.

113731623 is a deficient number, since it is larger than the sum of its proper divisors (50547401).

113731623 is a wasteful number, since it uses less digits than its factorization.

113731623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636853 (or 12636850 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 113731623 is about 10664.5029420034. The cubic root of 113731623 is about 484.4999600622.

Adding to 113731623 its reverse (326137311), we get a palindrome (439868934).

It can be divided in two parts, 11373 and 1623, that added together give a square (12996 = 114²).

The spelling of 113731623 in words is "one hundred thirteen million, seven hundred thirty-one thousand, six hundred twenty-three".