12354231457 has 16 divisors (see below), whose sum is σ = 12595968000. Its totient is φ = 12115401984.

The previous prime is 12354231377. The next prime is 12354231473. The reversal of 12354231457 is 75413245321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12354231457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354231157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5801769 + ... + 5803897.

It is an arithmetic number, because the mean of its divisors is an integer number (787248000).

Almost surely, 2^12354231457 is an apocalyptic number.

It is an amenable number.

12354231457 is a deficient number, since it is larger than the sum of its proper divisors (241736543).

12354231457 is a wasteful number, since it uses less digits than its factorization.

12354231457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760.

The product of its digits is 100800, while the sum is 37.

Adding to 12354231457 its reverse (75413245321), we get a palindrome (87767476778).

The spelling of 12354231457 in words is "twelve billion, three hundred fifty-four million, two hundred thirty-one thousand, four hundred fifty-seven".