123972146097 has 16 divisors (see below), whose sum is σ = 170656124928. Its totient is φ = 79969001040.

The previous prime is 123972146093. The next prime is 123972146099. The reversal of 123972146097 is 790641279321.

It is a happy number.

It is not a de Polignac number, because 123972146097 - 2² = 123972146093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123972146093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482628 + ... + 693450.

It is an arithmetic number, because the mean of its divisors is an integer number (10666007808).

Almost surely, 2^123972146097 is an apocalyptic number.

It is an amenable number.

123972146097 is a deficient number, since it is larger than the sum of its proper divisors (46683978831).

123972146097 is a wasteful number, since it uses less digits than its factorization.

123972146097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217180.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The spelling of 123972146097 in words is "one hundred twenty-three billion, nine hundred seventy-two million, one hundred forty-six thousand, ninety-seven".