111725623 has 2 divisors, whose sum is σ = 111725624. Its totient is φ = 111725622.

The previous prime is 111725617. The next prime is 111725639. The reversal of 111725623 is 326527111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111725623 - 2⁵ = 111725591 is a prime.

It is a super-2 number, since 2×111725623² = 24965229669476258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111725591 and 111725600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111725693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55862811 + 55862812.

It is an arithmetic number, because the mean of its divisors is an integer number (55862812).

Almost surely, 2^111725623 is an apocalyptic number.

111725623 is a deficient number, since it is larger than the sum of its proper divisors (1).

111725623 is an equidigital number, since it uses as much as digits as its factorization.

111725623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 28.

The square root of 111725623 is about 10570.0342005123. The cubic root of 111725623 is about 481.6345073907.

The spelling of 111725623 in words is "one hundred eleven million, seven hundred twenty-five thousand, six hundred twenty-three".