234203112423451 has 16 divisors (see below), whose sum is σ = 234816479631360. Its totient is φ = 233590325735520.

The previous prime is 234203112423443. The next prime is 234203112423461. The reversal of 234203112423451 is 154324211302432.

It is a cyclic number.

It is not a de Polignac number, because 234203112423451 - 2³ = 234203112423443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234203112423451.

It is not an unprimeable number, because it can be changed into a prime (234203112423461) 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, 7724616670 + ... + 7724646988.

It is an arithmetic number, because the mean of its divisors is an integer number (14676029976960).

Almost surely, 2^{234203112423451} is an apocalyptic number.

234203112423451 is a deficient number, since it is larger than the sum of its proper divisors (613367207909).

234203112423451 is a wasteful number, since it uses less digits than its factorization.

234203112423451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39234.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 234203112423451 its reverse (154324211302432), we get a palindrome (388527323725883).

The spelling of 234203112423451 in words is "two hundred thirty-four trillion, two hundred three billion, one hundred twelve million, four hundred twenty-three thousand, four hundred fifty-one".