61723113846 has 16 divisors (see below), whose sum is σ = 123609309744. Its totient is φ = 20547190944.

The previous prime is 61723113833. The next prime is 61723113847. The reversal of 61723113846 is 64831132716.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61723113798 and 61723113807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61723113847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6790165 + ... + 6799248.

It is an arithmetic number, because the mean of its divisors is an integer number (7725581859).

Almost surely, 2^61723113846 is an apocalyptic number.

61723113846 is an abundant number, since it is smaller than the sum of its proper divisors (61886195898).

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

61723113846 is a wasteful number, since it uses less digits than its factorization.

61723113846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590175.

The product of its digits is 145152, while the sum is 42.

The spelling of 61723113846 in words is "sixty-one billion, seven hundred twenty-three million, one hundred thirteen thousand, eight hundred forty-six".