123041343142 has 4 divisors (see below), whose sum is σ = 184562014716. Its totient is φ = 61520671570.

The previous prime is 123041343127. The next prime is 123041343157. The reversal of 123041343142 is 241343140321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (123041343127) and next prime (123041343157).

It is a self number, because there is not a number n which added to its sum of digits gives 123041343142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30760335784 + ... + 30760335787.

It is an arithmetic number, because the mean of its divisors is an integer number (46140503679).

Almost surely, 2^123041343142 is an apocalyptic number.

123041343142 is a deficient number, since it is larger than the sum of its proper divisors (61520671574).

123041343142 is an equidigital number, since it uses as much as digits as its factorization.

123041343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61520671573.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123041343142 its reverse (241343140321), we get a palindrome (364384483463).

The spelling of 123041343142 in words is "one hundred twenty-three billion, forty-one million, three hundred forty-three thousand, one hundred forty-two".