124000023155 has 16 divisors (see below), whose sum is σ = 151979272704. Its totient is φ = 97080891360.

The previous prime is 124000023151. The next prime is 124000023179. The reversal of 124000023155 is 551320000421.

It is not a de Polignac number, because 124000023155 - 2² = 124000023151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124000023155.

It is not an unprimeable number, because it can be changed into a prime (124000023151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4913720 + ... + 4938890.

It is an arithmetic number, because the mean of its divisors is an integer number (9498704544).

Almost surely, 2^124000023155 is an apocalyptic number.

124000023155 is a deficient number, since it is larger than the sum of its proper divisors (27979249549).

124000023155 is a wasteful number, since it uses less digits than its factorization.

124000023155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46186.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 124000023155 its reverse (551320000421), we get a palindrome (675320023576).

The spelling of 124000023155 in words is "one hundred twenty-four billion, twenty-three thousand, one hundred fifty-five".