123853897206 has 64 divisors (see below), whose sum is σ = 299172787200. Its totient is φ = 37752710688.

The previous prime is 123853897159. The next prime is 123853897231. The reversal of 123853897206 is 602798358321.

123853897206 is a `hidden beast` number, since 1 + 2 + 38 + 538 + 9 + 72 + 0 + 6 = 666.

It is a super-2 number, since 2×123853897206² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 749326 + ... + 899553.

It is an arithmetic number, because the mean of its divisors is an integer number (4674574800).

Almost surely, 2^123853897206 is an apocalyptic number.

123853897206 is an abundant number, since it is smaller than the sum of its proper divisors (175318889994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123853897206 is a wasteful number, since it uses less digits than its factorization.

123853897206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649010 (or 1649004 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 123853897206 in words is "one hundred twenty-three billion, eight hundred fifty-three million, eight hundred ninety-seven thousand, two hundred six".