124123143402 has 24 divisors (see below), whose sum is σ = 270896500836. Its totient is φ = 41072377536.

The previous prime is 124123143367. The next prime is 124123143481. The reversal of 124123143402 is 204341321421.

124123143402 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 2 + 314 + 340 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122996802681 + 1126340721 = 350709^2 + 33561^2 .

It is a super-2 number, since 2×124123143402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25164433 + ... + 25169364.

Almost surely, 2^124123143402 is an apocalyptic number.

124123143402 is an abundant number, since it is smaller than the sum of its proper divisors (146773357434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124123143402 is a wasteful number, since it uses less digits than its factorization.

124123143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50333942 (or 50333939 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 124123143402 its reverse (204341321421), we get a palindrome (328464464823).

The spelling of 124123143402 in words is "one hundred twenty-four billion, one hundred twenty-three million, one hundred forty-three thousand, four hundred two".