1197230123 has 4 divisors (see below), whose sum is σ = 1225072728. Its totient is φ = 1169387520.

The previous prime is 1197230119. The next prime is 1197230173. The reversal of 1197230123 is 3210327911.

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

It is a cyclic number.

It is not a de Polignac number, because 1197230123 - 2² = 1197230119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1197230173) 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, 13921238 + ... + 13921323.

It is an arithmetic number, because the mean of its divisors is an integer number (306268182).

Almost surely, 2^1197230123 is an apocalyptic number.

1197230123 is a deficient number, since it is larger than the sum of its proper divisors (27842605).

1197230123 is an equidigital number, since it uses as much as digits as its factorization.

1197230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27842604.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1197230123 is about 34601.0133233118. The cubic root of 1197230123 is about 1061.8403188642.

The spelling of 1197230123 in words is "one billion, one hundred ninety-seven million, two hundred thirty thousand, one hundred twenty-three".