1232253545 has 4 divisors (see below), whose sum is σ = 1478704260. Its totient is φ = 985802832.

The previous prime is 1232253541. The next prime is 1232253557. The reversal of 1232253545 is 5453522321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5453522321 = 13 ⋅419501717.

It can be written as a sum of positive squares in 2 ways, for example, as 179640409 + 1052613136 = 13403^2 + 32444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232253545 - 2² = 1232253541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232253541) 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, 123225350 + ... + 123225359.

It is an arithmetic number, because the mean of its divisors is an integer number (369676065).

Almost surely, 2^1232253545 is an apocalyptic number.

It is an amenable number.

1232253545 is a deficient number, since it is larger than the sum of its proper divisors (246450715).

1232253545 is an equidigital number, since it uses as much as digits as its factorization.

1232253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246450714.

The product of its digits is 36000, while the sum is 32.

The square root of 1232253545 is about 35103.4691305575. The cubic root of 1232253545 is about 1072.0952176622.

Adding to 1232253545 its reverse (5453522321), we get a palindrome (6685775866).

The spelling of 1232253545 in words is "one billion, two hundred thirty-two million, two hundred fifty-three thousand, five hundred forty-five".