1172122423 has 8 divisors (see below), whose sum is σ = 1200448656. Its totient is φ = 1143844800.

The previous prime is 1172122421. The next prime is 1172122429. The reversal of 1172122423 is 3242212711.

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 1172122423 - 2¹ = 1172122421 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 (1172122421) 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, 39243 + ... + 62323.

It is an arithmetic number, because the mean of its divisors is an integer number (150056082).

Almost surely, 2^1172122423 is an apocalyptic number.

1172122423 is a deficient number, since it is larger than the sum of its proper divisors (28326233).

1172122423 is a wasteful number, since it uses less digits than its factorization.

1172122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24305.

The product of its digits is 1344, while the sum is 25.

The square root of 1172122423 is about 34236.2734975640. The cubic root of 1172122423 is about 1054.3650253891.

The spelling of 1172122423 in words is "one billion, one hundred seventy-two million, one hundred twenty-two thousand, four hundred twenty-three".