1187165232023 has 8 divisors (see below), whose sum is σ = 1202477559360. Its totient is φ = 1171933284960.

The previous prime is 1187165231971. The next prime is 1187165232101. The reversal of 1187165232023 is 3202325617811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1187165232023 is a prime.

It is a super-2 number, since 2×1187165232023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187165231023) 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, 20065340 + ... + 20124417.

It is an arithmetic number, because the mean of its divisors is an integer number (150309694920).

Almost surely, 2^{1187165232023} is an apocalyptic number.

1187165232023 is a deficient number, since it is larger than the sum of its proper divisors (15312327337).

1187165232023 is a wasteful number, since it uses less digits than its factorization.

1187165232023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40190137.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1187165232023 in words is "one trillion, one hundred eighty-seven billion, one hundred sixty-five million, two hundred thirty-two thousand, twenty-three".