123115766270 has 16 divisors (see below), whose sum is σ = 253266719328. Its totient is φ = 42211119840.

The previous prime is 123115766239. The next prime is 123115766273. The reversal of 123115766270 is 72667511321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123115766273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 879398261 + ... + 879398400.

It is an arithmetic number, because the mean of its divisors is an integer number (15829169958).

Almost surely, 2^123115766270 is an apocalyptic number.

123115766270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123115766270 is an abundant number, since it is smaller than the sum of its proper divisors (130150953058).

123115766270 is a wasteful number, since it uses less digits than its factorization.

123115766270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758796675.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 123115766270 in words is "one hundred twenty-three billion, one hundred fifteen million, seven hundred sixty-six thousand, two hundred seventy".