124423111 has 2 divisors, whose sum is σ = 124423112. Its totient is φ = 124423110.

The previous prime is 124423099. The next prime is 124423121. The reversal of 124423111 is 111324421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124423111 - 2¹³ = 124414919 is a prime.

It is a super-2 number, since 2×124423111² = 30962221101836642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124423121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62211555 + 62211556.

It is an arithmetic number, because the mean of its divisors is an integer number (62211556).

Almost surely, 2^124423111 is an apocalyptic number.

124423111 is a deficient number, since it is larger than the sum of its proper divisors (1).

124423111 is an equidigital number, since it uses as much as digits as its factorization.

124423111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 19.

The square root of 124423111 is about 11154.5107916035. The cubic root of 124423111 is about 499.2296283312.

Adding to 124423111 its reverse (111324421), we get a palindrome (235747532).

The spelling of 124423111 in words is "one hundred twenty-four million, four hundred twenty-three thousand, one hundred eleven".