1231460233 has 4 divisors (see below), whose sum is σ = 1264742980. Its totient is φ = 1198177488.

The previous prime is 1231460183. The next prime is 1231460261. The reversal of 1231460233 is 3320641321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3320641321 = 47 ⋅70651943.

It can be written as a sum of positive squares in 2 ways, for example, as 628855929 + 602604304 = 25077^2 + 24548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231460233 - 2¹⁷ = 1231329161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231460198 and 1231460207.

It is not an unprimeable number, because it can be changed into a prime (1231460533) 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, 16641318 + ... + 16641391.

It is an arithmetic number, because the mean of its divisors is an integer number (316185745).

Almost surely, 2^1231460233 is an apocalyptic number.

It is an amenable number.

1231460233 is a deficient number, since it is larger than the sum of its proper divisors (33282747).

1231460233 is an equidigital number, since it uses as much as digits as its factorization.

1231460233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33282746.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1231460233 is about 35092.1676873914. The cubic root of 1231460233 is about 1071.8651003605.

The spelling of 1231460233 in words is "one billion, two hundred thirty-one million, four hundred sixty thousand, two hundred thirty-three".