1198620323 has 4 divisors (see below), whose sum is σ = 1199662848. Its totient is φ = 1197577800.

The previous prime is 1198620287. The next prime is 1198620359. The reversal of 1198620323 is 3230268911.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1198620287) and next prime (1198620359).

It is a cyclic number.

It is not a de Polignac number, because 1198620323 - 2²² = 1194426019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198620383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519536 + ... + 521837.

It is an arithmetic number, because the mean of its divisors is an integer number (299915712).

Almost surely, 2^1198620323 is an apocalyptic number.

1198620323 is a deficient number, since it is larger than the sum of its proper divisors (1042525).

1198620323 is a wasteful number, since it uses less digits than its factorization.

1198620323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042524.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1198620323 is about 34621.0965019885. The cubic root of 1198620323 is about 1062.2511558967.

The spelling of 1198620323 in words is "one billion, one hundred ninety-eight million, six hundred twenty thousand, three hundred twenty-three".