61143023 has 2 divisors, whose sum is σ = 61143024. Its totient is φ = 61143022.

The previous prime is 61143011. The next prime is 61143031. The reversal of 61143023 is 32034116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61143023 - 2¹⁰ = 61141999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61142986 and 61143004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61143073) 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, 30571511 + 30571512.

It is an arithmetic number, because the mean of its divisors is an integer number (30571512).

Almost surely, 2^61143023 is an apocalyptic number.

61143023 is a deficient number, since it is larger than the sum of its proper divisors (1).

61143023 is an equidigital number, since it uses as much as digits as its factorization.

61143023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61143023 is about 7819.4004245850. The cubic root of 61143023 is about 393.9571337150.

Adding to 61143023 its reverse (32034116), we get a palindrome (93177139).

It can be divided in two parts, 611 and 43023, that added together give a palindrome (43634).

The spelling of 61143023 in words is "sixty-one million, one hundred forty-three thousand, twenty-three".