124155423 has 20 divisors (see below), whose sum is σ = 211962960. Its totient is φ = 70945632.

The previous prime is 124155401. The next prime is 124155439. The reversal of 124155423 is 324551421.

It is not a de Polignac number, because 124155423 - 2⁵ = 124155391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124155463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108918 + ... + 110051.

It is an arithmetic number, because the mean of its divisors is an integer number (10598148).

Almost surely, 2^124155423 is an apocalyptic number.

124155423 is a deficient number, since it is larger than the sum of its proper divisors (87807537).

124155423 is an equidigital number, since it uses as much as digits as its factorization.

124155423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218988 (or 218979 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 124155423 is about 11142.5052389487. The cubic root of 124155423 is about 498.8713515557.

The spelling of 124155423 in words is "one hundred twenty-four million, one hundred fifty-five thousand, four hundred twenty-three".