996551423 has 8 divisors (see below), whose sum is σ = 1151713440. Its totient is φ = 844588800.

The previous prime is 996551419. The next prime is 996551431. The reversal of 996551423 is 324155699.

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 996551423 - 2² = 996551419 is a prime.

It is a super-2 number, since 2×996551423² = 1986229477366649858, which 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 (996551473) 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, 799178 + ... + 800423.

It is an arithmetic number, because the mean of its divisors is an integer number (143964180).

Almost surely, 2^996551423 is an apocalyptic number.

996551423 is a deficient number, since it is larger than the sum of its proper divisors (155162017).

996551423 is a wasteful number, since it uses less digits than its factorization.

996551423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599697.

The product of its digits is 291600, while the sum is 44.

The square root of 996551423 is about 31568.2027204591. The cubic root of 996551423 is about 998.8491503866.

The spelling of 996551423 in words is "nine hundred ninety-six million, five hundred fifty-one thousand, four hundred twenty-three".