123022130978 has 16 divisors (see below), whose sum is σ = 191856295680. Its totient is φ = 59098582800.

The previous prime is 123022130977. The next prime is 123022131049. The reversal of 123022130978 is 879031220321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123022130977) 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, 7128893 + ... + 7146128.

It is an arithmetic number, because the mean of its divisors is an integer number (11991018480).

Almost surely, 2^123022130978 is an apocalyptic number.

123022130978 is a deficient number, since it is larger than the sum of its proper divisors (68834164702).

123022130978 is a wasteful number, since it uses less digits than its factorization.

123022130978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275193.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 123022130978 in words is "one hundred twenty-three billion, twenty-two million, one hundred thirty thousand, nine hundred seventy-eight".