61406310023 has 2 divisors, whose sum is σ = 61406310024. Its totient is φ = 61406310022.

The previous prime is 61406309999. The next prime is 61406310029. The reversal of 61406310023 is 32001360416.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61406310023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61406309974 and 61406310001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61406310029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30703155011 + 30703155012.

It is an arithmetic number, because the mean of its divisors is an integer number (30703155012).

Almost surely, 2^61406310023 is an apocalyptic number.

61406310023 is a deficient number, since it is larger than the sum of its proper divisors (1).

61406310023 is an equidigital number, since it uses as much as digits as its factorization.

61406310023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 61406310023 its reverse (32001360416), we get a palindrome (93407670439).

The spelling of 61406310023 in words is "sixty-one billion, four hundred six million, three hundred ten thousand, twenty-three".