123764206157 has 16 divisors (see below), whose sum is σ = 135619660800. Its totient is φ = 112436440320.

The previous prime is 123764206151. The next prime is 123764206207. The reversal of 123764206157 is 751602467321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123764206157 - 2⁴ = 123764206141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123764206151) 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, 96857 + ... + 506862.

It is an arithmetic number, because the mean of its divisors is an integer number (8476228800).

Almost surely, 2^123764206157 is an apocalyptic number.

123764206157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

123764206157 is a deficient number, since it is larger than the sum of its proper divisors (11855454643).

123764206157 is a wasteful number, since it uses less digits than its factorization.

123764206157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604156.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 123764206157 in words is "one hundred twenty-three billion, seven hundred sixty-four million, two hundred six thousand, one hundred fifty-seven".