123045045453 has 48 divisors (see below), whose sum is σ = 199455811776. Its totient is φ = 72438347520.

The previous prime is 123045045451. The next prime is 123045045457. The reversal of 123045045453 is 354540540321.

123045045453 is a `hidden beast` number, since 123 + 0 + 45 + 0 + 45 + 453 = 666.

It is not a de Polignac number, because 123045045453 - 2¹ = 123045045451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123045045451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2232850 + ... + 2287292.

It is an arithmetic number, because the mean of its divisors is an integer number (4155329412).

Almost surely, 2^123045045453 is an apocalyptic number.

It is an amenable number.

123045045453 is a deficient number, since it is larger than the sum of its proper divisors (76410766323).

123045045453 is a wasteful number, since it uses less digits than its factorization.

123045045453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55114 (or 55111 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 123045045453 its reverse (354540540321), we get a palindrome (477585585774).

The spelling of 123045045453 in words is "one hundred twenty-three billion, forty-five million, forty-five thousand, four hundred fifty-three".