123490803854 has 8 divisors (see below), whose sum is σ = 202075860888. Its totient is φ = 56132183560.

The previous prime is 123490803853. The next prime is 123490803857. The reversal of 123490803854 is 458308094321.

123490803854 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 junction number, because it is equal to n+sod(n) for n = 123490803799 and 123490803808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123490803853) 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, 2806609157 + ... + 2806609200.

It is an arithmetic number, because the mean of its divisors is an integer number (25259482611).

Almost surely, 2^123490803854 is an apocalyptic number.

123490803854 is a deficient number, since it is larger than the sum of its proper divisors (78585057034).

123490803854 is a wasteful number, since it uses less digits than its factorization.

123490803854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613218370.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 123490803854 in words is "one hundred twenty-three billion, four hundred ninety million, eight hundred three thousand, eight hundred fifty-four".