123662772242 has 16 divisors (see below), whose sum is σ = 186016836960. Its totient is φ = 61657219008.

The previous prime is 123662772241. The next prime is 123662772251. The reversal of 123662772242 is 242277266321.

It is a super-3 number, since 3×123662772242³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123662772193 and 123662772202.

It is not an unprimeable number, because it can be changed into a prime (123662772241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5709818 + ... + 5731434.

It is an arithmetic number, because the mean of its divisors is an integer number (11626052310).

Almost surely, 2^123662772242 is an apocalyptic number.

123662772242 is a deficient number, since it is larger than the sum of its proper divisors (62354064718).

123662772242 is a wasteful number, since it uses less digits than its factorization.

123662772242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29545.

The product of its digits is 677376, while the sum is 44.

The spelling of 123662772242 in words is "one hundred twenty-three billion, six hundred sixty-two million, seven hundred seventy-two thousand, two hundred forty-two".