423423125455354 has 4 divisors (see below), whose sum is σ = 635134688183034. Its totient is φ = 211711562727676.

The previous prime is 423423125455301. The next prime is 423423125455373. The reversal of 423423125455354 is 453554521324324.

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

It can be written as a sum of positive squares in only one way, i.e., 340114187574225 + 83308937881129 = 18442185^2 + 9127373^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105855781363837 + ... + 105855781363840.

Almost surely, 2^{423423125455354} is an apocalyptic number.

423423125455354 is a deficient number, since it is larger than the sum of its proper divisors (211711562727680).

423423125455354 is a wasteful number, since it uses less digits than its factorization.

423423125455354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211711562727679.

The product of its digits is 34560000, while the sum is 52.

Adding to 423423125455354 its reverse (453554521324324), we get a palindrome (876977646779678).

The spelling of 423423125455354 in words is "four hundred twenty-three trillion, four hundred twenty-three billion, one hundred twenty-five million, four hundred fifty-five thousand, three hundred fifty-four".