123425355454 has 8 divisors (see below), whose sum is σ = 185151221640. Its totient is φ = 61708281576.

The previous prime is 123425355451. The next prime is 123425355461. The reversal of 123425355454 is 454553524321.

123425355454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×123425355454² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123425355454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123425355451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162869 + ... + 2219200.

It is an arithmetic number, because the mean of its divisors is an integer number (23143902705).

Almost surely, 2^123425355454 is an apocalyptic number.

123425355454 is a deficient number, since it is larger than the sum of its proper divisors (61725866186).

123425355454 is a wasteful number, since it uses less digits than its factorization.

123425355454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396154.

The product of its digits is 1440000, while the sum is 43.

Adding to 123425355454 its reverse (454553524321), we get a palindrome (577978879775).

The spelling of 123425355454 in words is "one hundred twenty-three billion, four hundred twenty-five million, three hundred fifty-five thousand, four hundred fifty-four".