123042351445 has 64 divisors (see below), whose sum is σ = 166061145600. Its totient is φ = 86896051200.

The previous prime is 123042351433. The next prime is 123042351461. The reversal of 123042351445 is 544153240321.

It is not a de Polignac number, because 123042351445 - 2¹³ = 123042343253 is a prime.

It is a super-2 number, since 2×123042351445² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123042351445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117071170 + ... + 117072220.

It is an arithmetic number, because the mean of its divisors is an integer number (2594705400).

Almost surely, 2^123042351445 is an apocalyptic number.

It is an amenable number.

123042351445 is a deficient number, since it is larger than the sum of its proper divisors (43018794155).

123042351445 is a wasteful number, since it uses less digits than its factorization.

123042351445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 123042351445 its reverse (544153240321), we get a palindrome (667195591766).

The spelling of 123042351445 in words is "one hundred twenty-three billion, forty-two million, three hundred fifty-one thousand, four hundred forty-five".