123853897089 has 12 divisors (see below), whose sum is σ = 192661617876. Its totient is φ = 76217782752.

The previous prime is 123853897087. The next prime is 123853897091. The reversal of 123853897089 is 980798358321.

123853897089 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 538 + 97 + 0 + 8 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (123853897087) and next prime (123853897091).

It can be written as a sum of positive squares in 2 ways, for example, as 11885360400 + 111968536689 = 109020^2 + 334617^2 .

It is not a de Polignac number, because 123853897089 - 2¹ = 123853897087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123853897087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529290042 + ... + 529290275.

It is an arithmetic number, because the mean of its divisors is an integer number (16055134823).

Almost surely, 2^123853897089 is an apocalyptic number.

It is an amenable number.

123853897089 is a deficient number, since it is larger than the sum of its proper divisors (68807720787).

123853897089 is a wasteful number, since it uses less digits than its factorization.

123853897089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058580336 (or 1058580333 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 123853897089 in words is "one hundred twenty-three billion, eight hundred fifty-three million, eight hundred ninety-seven thousand, eighty-nine".