111423002 has 4 divisors (see below), whose sum is σ = 167134506. Its totient is φ = 55711500.

The previous prime is 111422977. The next prime is 111423007. The reversal of 111423002 is 200324111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200324111 = 13 ⋅15409547.

It can be written as a sum of positive squares in only one way, i.e., 108597241 + 2825761 = 10421^2 + 1681^2 .

It is not an unprimeable number, because it can be changed into a prime (111423007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27855749 + ... + 27855752.

Almost surely, 2^111423002 is an apocalyptic number.

111423002 is a deficient number, since it is larger than the sum of its proper divisors (55711504).

111423002 is an equidigital number, since it uses as much as digits as its factorization.

111423002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55711503.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111423002 is about 10555.7094503401. The cubic root of 111423002 is about 481.1992610363.

Adding to 111423002 its reverse (200324111), we get a palindrome (311747113).

The spelling of 111423002 in words is "one hundred eleven million, four hundred twenty-three thousand, two".