123691413433 has 8 divisors (see below), whose sum is σ = 143471490752. Its totient is φ = 104438804976.

The previous prime is 123691413431. The next prime is 123691413451. The reversal of 123691413433 is 334314196321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123691413433 - 2¹ = 123691413431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123691413431) 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, 131866710 + ... + 131867647.

It is an arithmetic number, because the mean of its divisors is an integer number (17933936344).

Almost surely, 2^123691413433 is an apocalyptic number.

It is an amenable number.

123691413433 is a deficient number, since it is larger than the sum of its proper divisors (19780077319).

123691413433 is an equidigital number, since it uses as much as digits as its factorization.

123691413433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263734431.

The product of its digits is 139968, while the sum is 40.

The spelling of 123691413433 in words is "one hundred twenty-three billion, six hundred ninety-one million, four hundred thirteen thousand, four hundred thirty-three".