123686967730 has 16 divisors (see below), whose sum is σ = 227814136704. Its totient is φ = 48324210480.

The previous prime is 123686967721. The next prime is 123686967757. The reversal of 123686967730 is 37769686321.

It is a super-2 number, since 2×123686967730² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143821626 + ... + 143822485.

It is an arithmetic number, because the mean of its divisors is an integer number (14238383544).

Almost surely, 2^123686967730 is an apocalyptic number.

123686967730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123686967730 is a deficient number, since it is larger than the sum of its proper divisors (104127168974).

123686967730 is a wasteful number, since it uses less digits than its factorization.

123686967730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287644161.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 123686967730 in words is "one hundred twenty-three billion, six hundred eighty-six million, nine hundred sixty-seven thousand, seven hundred thirty".