123444022042 has 32 divisors (see below), whose sum is σ = 204636741120. Its totient is φ = 55379647920.

The previous prime is 123444022027. The next prime is 123444022057. The reversal of 123444022042 is 240220444321.

It is an interprime number because it is at equal distance from previous prime (123444022027) and next prime (123444022057).

It is a self number, because there is not a number n which added to its sum of digits gives 123444022042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827523 + ... + 1893865.

It is an arithmetic number, because the mean of its divisors is an integer number (6394898160).

Almost surely, 2^123444022042 is an apocalyptic number.

123444022042 is a deficient number, since it is larger than the sum of its proper divisors (81192719078).

123444022042 is a wasteful number, since it uses less digits than its factorization.

123444022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67458.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 123444022042 its reverse (240220444321), we get a palindrome (363664466363).

The spelling of 123444022042 in words is "one hundred twenty-three billion, four hundred forty-four million, twenty-two thousand, forty-two".