231453333445 has 16 divisors (see below), whose sum is σ = 282923280000. Its totient is φ = 181720297408.

The previous prime is 231453333437. The next prime is 231453333479. The reversal of 231453333445 is 544333354132.

It is a cyclic number.

It is not a de Polignac number, because 231453333445 - 2³ = 231453333437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231453333398 and 231453333407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478210 + ... + 831619.

It is an arithmetic number, because the mean of its divisors is an integer number (17682705000).

Almost surely, 2^231453333445 is an apocalyptic number.

It is an amenable number.

231453333445 is a deficient number, since it is larger than the sum of its proper divisors (51469946555).

231453333445 is a wasteful number, since it uses less digits than its factorization.

231453333445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310492.

The product of its digits is 777600, while the sum is 40.

Adding to 231453333445 its reverse (544333354132), we get a palindrome (775786687577).

The spelling of 231453333445 in words is "two hundred thirty-one billion, four hundred fifty-three million, three hundred thirty-three thousand, four hundred forty-five".