61087423 has 2 divisors, whose sum is σ = 61087424. Its totient is φ = 61087422.

The previous prime is 61087387. The next prime is 61087457. The reversal of 61087423 is 32478016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61087423 - 2¹³ = 61079231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61087463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30543711 + 30543712.

It is an arithmetic number, because the mean of its divisors is an integer number (30543712).

Almost surely, 2^61087423 is an apocalyptic number.

61087423 is a deficient number, since it is larger than the sum of its proper divisors (1).

61087423 is an equidigital number, since it uses as much as digits as its factorization.

61087423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 61087423 is about 7815.8443561780. The cubic root of 61087423 is about 393.8376834036.

It can be divided in two parts, 6108 and 7423, that added together give a palindrome (13531).

The spelling of 61087423 in words is "sixty-one million, eighty-seven thousand, four hundred twenty-three".