61296543423 has 32 divisors (see below), whose sum is σ = 91870200000. Its totient is φ = 40387539456.

The previous prime is 61296543377. The next prime is 61296543437. The reversal of 61296543423 is 32434569216.

61296543423 is a `hidden beast` number, since 6 + 12 + 96 + 543 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 61296543423 - 2⁹ = 61296542911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61296543023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7707253 + ... + 7715201.

It is an arithmetic number, because the mean of its divisors is an integer number (2870943750).

Almost surely, 2^61296543423 is an apocalyptic number.

61296543423 is a deficient number, since it is larger than the sum of its proper divisors (30573656577).

61296543423 is a wasteful number, since it uses less digits than its factorization.

61296543423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11256 (or 11250 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 61296543423 in words is "sixty-one billion, two hundred ninety-six million, five hundred forty-three thousand, four hundred twenty-three".