231373426454 has 4 divisors (see below), whose sum is σ = 347060139684. Its totient is φ = 115686713226.

The previous prime is 231373426433. The next prime is 231373426457. The reversal of 231373426454 is 454624373132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231373426457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57843356612 + ... + 57843356615.

It is an arithmetic number, because the mean of its divisors is an integer number (86765034921).

Almost surely, 2^231373426454 is an apocalyptic number.

231373426454 is a deficient number, since it is larger than the sum of its proper divisors (115686713230).

231373426454 is a wasteful number, since it uses less digits than its factorization.

231373426454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115686713229.

The product of its digits is 1451520, while the sum is 44.

Adding to 231373426454 its reverse (454624373132), we get a palindrome (685997799586).

The spelling of 231373426454 in words is "two hundred thirty-one billion, three hundred seventy-three million, four hundred twenty-six thousand, four hundred fifty-four".