123400545153 has 16 divisors (see below), whose sum is σ = 169248821376. Its totient is φ = 79916699520.

The previous prime is 123400545109. The next prime is 123400545167. The reversal of 123400545153 is 351545004321.

It is not a de Polignac number, because 123400545153 - 2²¹ = 123398448001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123400543153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810876 + ... + 950957.

It is an arithmetic number, because the mean of its divisors is an integer number (10578051336).

Almost surely, 2^123400545153 is an apocalyptic number.

It is an amenable number.

123400545153 is a deficient number, since it is larger than the sum of its proper divisors (45848276223).

123400545153 is a wasteful number, since it uses less digits than its factorization.

123400545153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762504.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 123400545153 its reverse (351545004321), we get a palindrome (474945549474).

The spelling of 123400545153 in words is "one hundred twenty-three billion, four hundred million, five hundred forty-five thousand, one hundred fifty-three".