61134634423 has 2 divisors, whose sum is σ = 61134634424. Its totient is φ = 61134634422.

The previous prime is 61134634417. The next prime is 61134634471. The reversal of 61134634423 is 32443643116.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61134634423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61134634493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30567317211 + 30567317212.

It is an arithmetic number, because the mean of its divisors is an integer number (30567317212).

Almost surely, 2^61134634423 is an apocalyptic number.

61134634423 is a deficient number, since it is larger than the sum of its proper divisors (1).

61134634423 is an equidigital number, since it uses as much as digits as its factorization.

61134634423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The spelling of 61134634423 in words is "sixty-one billion, one hundred thirty-four million, six hundred thirty-four thousand, four hundred twenty-three".