1232354153 has 4 divisors (see below), whose sum is σ = 1265661060. Its totient is φ = 1199047248.

The previous prime is 1232354143. The next prime is 1232354161. The reversal of 1232354153 is 3514532321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3514532321 = 131 ⋅26828491.

It can be written as a sum of positive squares in 2 ways, for example, as 762201664 + 470152489 = 27608^2 + 21683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232354153 - 2¹⁸ = 1232092009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1232354143) 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, 16653398 + ... + 16653471.

It is an arithmetic number, because the mean of its divisors is an integer number (316415265).

Almost surely, 2^1232354153 is an apocalyptic number.

It is an amenable number.

1232354153 is a deficient number, since it is larger than the sum of its proper divisors (33306907).

1232354153 is an equidigital number, since it uses as much as digits as its factorization.

1232354153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33306906.

The product of its digits is 10800, while the sum is 29.

The square root of 1232354153 is about 35104.9021220684. The cubic root of 1232354153 is about 1072.1243941307.

Adding to 1232354153 its reverse (3514532321), we get a palindrome (4746886474).

The spelling of 1232354153 in words is "one billion, two hundred thirty-two million, three hundred fifty-four thousand, one hundred fifty-three".