1197912723965 has 8 divisors (see below), whose sum is σ = 1437529420800. Its totient is φ = 958307411152.

The previous prime is 1197912723947. The next prime is 1197912724013. The reversal of 1197912723965 is 5693272197911.

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 1197912723965 - 2¹⁶ = 1197912658429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1197912723898 and 1197912723907.

It is a congruent number.

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, 2612765 + ... + 3036834.

It is an arithmetic number, because the mean of its divisors is an integer number (179691177600).

Almost surely, 2^{1197912723965} is an apocalyptic number.

It is an amenable number.

1197912723965 is a deficient number, since it is larger than the sum of its proper divisors (239616696835).

1197912723965 is an equidigital number, since it uses as much as digits as its factorization.

1197912723965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5692011.

The product of its digits is 12859560, while the sum is 62.

The spelling of 1197912723965 in words is "one trillion, one hundred ninety-seven billion, nine hundred twelve million, seven hundred twenty-three thousand, nine hundred sixty-five".